🔍 牛津詞典
🔍 朗文詞典 🎯
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典：
(Mr. Ng 不推薦使用 Google 翻譯！)
最近搜尋：
BNC: 25493 COCA: 21755

manganese

Word family 
Related topics: Industry, Elements
man·ga·nese /ˈmæŋɡəniːz/ noun [uncountableU]  
HCMTIa grey-white metal that breaks easily and is used to make steel and glass. It is a chemical element: symbol Mn 锰〔一种化学元素，符号为Mn〕
Examples from the Corpus
manganese• But when a manganese plant south of the city closed, those levels dropped dramatically.• Iron and manganese bicarbonates can be removed in the cold lime-soda treatment by pre-aeration, followed by precipitation as the insoluble hydroxides.• High free lime content in soil restricts access to iron and, to a slightly lesser extent, manganese.• After various experiments, an ingot was cast in August 1913, containing around 13 percent chromium with a little manganese.• Some scientists are concerned about long-term exposure to low levels of manganese oxides from car exhaust fumes.• When manganese is ingested, the liver determines how much of the metal the body needs.• And unlike with manganese nodules, the technology to extract the sulphides is not available.
Origin manganese
(1600-1700) French manganèse, from Italian manganese “magnesia, manganese”, from Medieval Latin magnesia; → MAGNESIA
man·ga·nese noun
Chinese
Syllable
Corpus
BNC: 25493 COCA: 21755
BNC: 25493 COCA: 21755
BNC: 25493 COCA: 21755
manganese
Metals: aluminium, aluminum, barium...

👨🏻‍🏫 Mr. Ng 朗文詞典 📚 – longman.mister5️⃣.net
切換為繁體中文
Site Uptime