P-bromophenylhydrazine
[化] 对溴苯肼; 对溴代苯肼
🗣️ 情景例句
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
别笑。在初级课程中你有机会休息。
What's on Channel 8 now?
现在8频道播什么节目？
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？