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
for a long time,
很久了，
I often get up in the morning.
我常常在早上起床。
It's Jim. He's in that tree. He can't get down. Can you help him?
是吉姆，他在树上，下不来了，你能帮他吗？