Pervanadic acid
[化] 过钒酸
🧩 词语组成解析
🗣️ 情景例句
Come on in, Mrs. Cooper.
请进 Cooper太太。
Hedges have eyes, and walls have ears.
篱笆有眼，隔墙有耳。
I think our manager will persuade the government to let him build a new factory.
我想经理会说服政府让他建新厂的。