Pentabromoacetone
[化] 五溴丙酮
🗣️ 情景例句
You can take this job and shove it.
你把这份工作留着你自己干吧。
Whom will you speak to?
你将和谁说话？
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。