Diperchromic acid
[化] 过二铬酸
🧩 词语组成解析
🗣️ 情景例句
He's ready for you, Mr. Stewart.
他可以见你啦， Stewart先生。
When did you go cooking?
你什么时候去做饭？
That'll be very intersting. What cities are you going to visit?
那一定很有趣。你们打算参观哪些城市？