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TOEFL IELTS BNC: 2367 COCA: 1862

variable

Word family 
var·i·a·ble1 /ˈveəriəbəl $ ˈver-/ ●●○ AWL adjectiveadj  
1  CHANGE/BECOME DIFFERENTlikely to change often 易变的，多变的 → vary
 Expect variable cloudiness and fog tomorrow.
预计明天多云有雾，天气多变。
 Interest rates can be highly variable.
利率有时会大幅波动。
variable in size/shape/colour etc
 These fish are highly variable in color and pattern.
这些鱼颜色和花纹各异。
2  BADsometimes good and sometimes bad 时好时坏的
 The quality of pork is often less variable than beef.
猪肉质量往往比牛肉稳定。
3  CHANGE/MAKE something DIFFERENTable to be changed 可变的
 The heater has variable temperature settings.
加热器有多挡温度设定。
—variably adverbadv
—variability /ˌveəriəˈbɪləti $ ˌver-/ noun [uncountableU]
Examples from the Corpus
variable• Demand for the company's products is variable.• Medical insurance coverage in foreign countries is highly variable.• The weather here is likely to be very variable.• This process of elaborating a concept and moving toward empirical indicators is the crucial step in variable analysis.• The return will be variable, as building societies change the rates paid to investors.• Brain maps are just as variable as faces.• Hedgehog cacti are variable in form, but many are barrel shaped or globular.• We now have two documents: a template of the shell text and a variable list.• The drill has variable speeds.• Information regarding variable ventilation efficacy and levels of formaldehyde and micro-organism concentrations were sought.
variable in size/shape/colour etc• Small-clawed Otter Eighteen species of otter are known, all of similar shape, but variable in size.• Glaucous extremely variable in size, from Herring to Great Black-back.• A medium-sized eagle exceptionally variable in colour from very dark brown, almost black, to pale brown, nearly white.• The commonest and most widespread of the larger gulls, very variable in size; males average larger than females.• Generally the commonest small wader of the shore, very variable in size, northern breeding birds larger than southern ones.
Related topics: Maths
variable2 ●○○ AWL noun [countableC]  
1  CHANGE/BECOME DIFFERENTsomething that may be different in different situations, so that you cannot be sure what will happen 易变的事，可变因素 OPP constant
 There are too many variables in the experiment to predict the result accurately.
实验中可变因素太多，难以准确预测结果。
2. technicalHM a mathematical quantity which can represent several different amounts 〔数学中的〕变量，变数 OPP constant
Examples from the Corpus
variable• This was used to infer values of the Census variables for households which never returned a form.• The models may be extended to include observable explanatory variables and simultaneity can be allowed for as in econometric models.• This time, extraneous variables that might affect worker productivity would be tightly controlled.• The key variable is the Labrador Current.• There are too many variables to predict who will win the war.• The formula attains a high mark when a diversity of variables is woven into a unified design.• One variable or factor is altered at a time while all others remain constant.• These variables are only known locally to the defining procedure or function.
From Longman Business Dictionary
variablevar·i·a·ble1 /ˈveəriəbəlˈver-/ noun [countableC]
something that affects a situation in a way that means you cannot be sure what will happen
Interest rates and earnings are the two most important variables in forecasting stock prices.
The Japanese are subject to the sameeconomic variables as everybody else.
variablevariable2 adjectiveadjACCOUNTINGFINANCE
variable costs, prices, interest rates etc change or can change and are not fixed
The value of fixed- andvariable-rate loans fell half a per cent.
The new company will offer more attractivevariable annuities.
var·i·a·ble1 adjectiveadjvariable2 noun
Chinese
Syllable
Corpus
TOEFL IELTS BNC: 2367 COCA: 1862
variable

adjective

VERBS | ADVERB | PREPOSITION VERBS➤be, seem易變；似乎易變▸➤become變得反複不定ADVERB➤extremely, fairly, very, etc.極其／相當／非常多變▸➤highly, widely變化無常◇Polar habitats are harsh and highly variable.極地的生存環境條件艱苦，變化無常。➤infinitely變化無窮◇These systems are infinitely variable.這些系統變化無窮。PREPOSITION➤in在⋯方面多變◇variable in shape形狀上富於變化
TOEFL IELTS BNC: 2367 COCA: 1862
variable

adjective

  ➡ See also the entry for uncertain 另见uncertain条variable ♦︎ dynamic ♦︎ irregular ♦︎ inconsistent ♦︎ fluid ♦︎ unevenThese words all describe things that change often or are likely to change. 这些词均表示事物多变的、易变的、变化无常的。PATTERNS AND COLLOCATIONS 句型和搭配◆variable / inconsistent / uneven quality◆a variable / dynamic / fluid environment◆a dynamic / fluid situation◆irregular / uneven breathing / rhythms◆very variable / irregular / inconsistent / fluid / uneven◆highly variable / dynamic / irregular / inconsistent / fluid◆somewhat variable / irregular / inconsistent / uneven■ variable ˈveəriəbl; NAmE ˈveriəbl, ˈværiəbloften changing; likely to change 多变的；易变的；变化无常的◆The forecast is based on assumptions of variable temperature.预报是根据气温多变的假定而作出的。◆The acting is of variable quality (= some of it is good and some of it is bad).表演时好时坏。  see also variability ⇨ change noun 1 , vary ⇨ differ ■ dynamic daɪˈnæmɪk (usually approving, especially business 尤用于商业) (of a process or situation) always changing and making progress （过程或情况）动态的，发展变化的，取得进展的◆They want to promote a dynamic economy with a high level of employment.他们希望以高就业率来增强经济活力。◆The business has managed to change and remain dynamic.该企业设法做到了既发展变化又活力依旧。 OPP static ⇨ steady ■ irregular ɪˈregjələ(r) (usually disapproving) not happening at times that are at an equal distance from each other; not happening regularly 不规则的；无规律的；紊乱的◆an irregular heartbeat心律不齐◆irregular attendance at school断断续续的上学◆He visited his parents at irregular intervals.他不定期地看望父母。OPP regular ⇨ steady , regular ⇨ frequent ■ inconsistent ˌɪnkənˈsɪstənt (disapproving) tending to change too often; not staying the same 反复无常的；没有常性的◆The tests gave inconsistent results.这些测试的结果变化无常。◆Children find it difficult if a parent is inconsistent.如果做父母的不始终如一，孩子会觉得无所适从。 OPP consistent ⇨ steady ■ fluid ˈfluːɪd (formal) (of a situation) likely to change; not fixed （形势）易变的；不稳定的◆The fluid political situation made investment impossible.政治局势不稳定，因而未能吸引投资。◆There is a fluid relationship between managers and workers.经理与员工之间的关系容易发生变化。ⓘ Fluid is most often used to talk about a state, a situation or a relationship. * fluid最常用于修饰state、situation或relationship。■ uneven ʌnˈiːvn not following a regular pattern 无定式的；不规则的；无规律的◆Her breathing was quick and uneven.她的呼吸急促不匀。ⓘ Typical collocations of uneven are related to people's movements. * uneven的搭配词通常与人体的运动有关◆an uneven voice / laugh / pace / tread无规律的嗓音／笑声／步伐／脚步声 OPP even ⇨ steady
TOEFL IELTS BNC: 2367 COCA: 1862

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