Ammonium perchromate
[化] 過鉻酸銨
?? 詞語組成解析
n. 銨\\n[化] 銨
n. [化]過鉻酸鹽
??? 情景例句
What a price! Lower it, please?
這么高的價格！請降點。
Don't forget to accompany me.
不要忘記陪我。
Please give us a short talk. Nothing difficult!
請你給我們作一次簡短的講話。這對你并不困難！