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
Mary, this is Stone's brother Jim.
玛丽，这是世通的兄弟吉姆。
I was impressed very much.
我有深刻的印象。
I gave up in despair.
我无可奈何，只好罢休。