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TOEFL IELTS BNC: 1915 COCA: 2386

constant

Word family
con·stant1 /ˈkɒnstənt $ ˈkɑːn-/ ●●○ S3 W3 AWL adjectiveadj  
1 CONTINUOUShappening regularly or all the time 持续不断的,经常发生的 SYN continual
 There was a constant stream of visitors to the house.
参观这幢房子的游客川流不息。
 Amy lived in constant fear of being attacked.
埃米一直生活在害怕遭到袭击的恐惧之中。
 He kept in constant contact with his family while he was in Australia.
他在澳大利亚时一直和家人保持着联系。
2 SAMEstaying the same 始终如一的,恒久不变的 OPP inconstant
 travelling at a constant speed
以恒定速度行驶
3 literaryFAITHFUL loyal and faithful 忠实的,忠诚的 SYN devoted
 a constant friend
忠实的朋友
Examples from the Corpus
Related topics: Maths, Numbers
constant2 ●○○ AWL noun [countableC]  
1. HM technical a number or quantity that never changes 常数,常量,恒量
2. formalSAME something that stays the same even though other things change 不变的事;恒定的事物
variable2
Examples from the Corpus
Origin constant1
(1300-1400) Old French Latin, present participle of constare to stand firm, be constant, cost, from com- ( → COM-) + stare to stand

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