Cobalt black
[化] 钴黑; 一氧化钴
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
I asked him to buy it for me, but he wouldn't.
我请他帮我买，但是他不肯。
The following day, the patient asked for a bedside telephone.
第二天，这位病人要了一部床头电话。