Resbenzophenone
[有化]苯酰间苯二酚
🗣️ 情景例句
Then I've solved your problem.
说来我替你解决问题了。
Why are you so sad?
你为什么这样伤心？
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。