Monatomic
a. 单原子的\\n[医] 一价的, 一原子的
🗣️ 情景例句
Hi, Frank.
嗨， Frank。
I'll see if she's in.
我去看看她在不在。
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。