Fluorenediamine
[化] 芴二胺
🗣️ 情景例句
I feel like an old man.
我感觉像一个老头。
She regrets that she hurt your feelings.
他后悔伤害了你的感情。
I wanted to ask Chen Wei too, but he's away.
我也想请陈伟，但他外出了。