Beryllium methide
[机] 二甲铍
🧩 词语组成解析
beryllium
[[be'riljəm,bə'r-]]
n. 铍\\n[化] 铍Be
甲基化物
🗣️ 情景例句
Is cash all right?
现金可以吗？
She doesn't come as ofter as she used to.
她现在已经不像以前那样常来了。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。