Cobalt oxide
[机] 氧化钴
🧩 词语组成解析
n. 钴, 钴类颜料\\n[化] 钴Co
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
If I don't accept her offer,
假如我不接受她这个工作机会，
To fall down
掉下
And when do you take your next exams?
还有，你什么时候参加下次考试？