Beryllium ethyl
[机] 二乙铍
🧩 词语组成解析
beryllium
[[be'riljəm,bə'r-]]
n. 铍\\n[化] 铍Be
[化] 乙基\\n[医] 乙基
🗣️ 情景例句
A community center
一个社区中心
Who is calling, please?
请问你是谁？
It usually comes in February or March. Summer is often very hot.
通常在2月或3月开始。夏天很热。