calcium是什麼意思 calcium的用法 calcium怎麼讀
calcium
英 ['kælsɪəm]美 ['kælsɪəm]
n. [化學] 鈣
使用頻率:★★
星級詞彙:★★★
記憶方法
1. 音譯“鈣”。中文詞源
calcium 鈣
來自詞根calc, 小石子。詞源同calculate.
英語詞源
calcium
calcium: [19] Calcium was coined by the English chemist Sir Humphry Davy in 1808 on the basis of Latin calx ‘limestone’ (which is also the ancestor of English calcareous, calculate, calculus, causeway, and chalk). The Latin word probably came from Greek khálix, which meant ‘pebble’ as well as ‘limestone’.
=> calcarious, calculate, causeway, chalk
calcium (n.)
coined 1808 by English chemist Sir Humphrey Davy (1778-1829), who first succeeded in isolating it, from Latin calx (genitive calcis) "limestone" (see chalk (n.)) + metallic element ending -ium.
權威例句
1. Be sure you get your daily quota of calcium.
要確保每天的鈣攝入量。
2. Calcium may aid in the prevention of colon cancer.
鈣可能有助於預防結腸癌。
3. Milk products are an excellent source of calcium and protein.
奶製品富含鈣與蛋白質。
4. Calcium is excreted in the urine and stools.
鈣通過尿液和糞便排出體外。
5. Calcium reacts with water.
鈣和水會發生化學反應。
[ calcium 造句 ]
