Aryloxy
芳氧基
🗣️ 情景例句
I thought he was retired
我原以为他退休了
I get into bed at about 11:30 and go right off to sleep.
我大约在11:30上床并且睡觉。
It may be cheaper.but it takes a long time.
可能是便宜些，但花的时间长。