Aniline-gravity constituent
[机] 苯胺比重积值
🧩 词语组成解析
n. 苯胺\\n[化] 苯胺
🗣️ 情景例句
I need some help.
我需要帮助。
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。