D-amylbromide
[化] 光活性溴戊烷
??? 情景例句
Usually a house is too expensive for the salary-earning class to buy.
通常房屋太貴，工薪階層買不起。
Why are you crying?
你為什么哭？
During his first year, Chaplin acted in 35 films, many of which he wrote and directed himself.
在第一年里，卓別林演了35部電影，其中的許多電影是他自編自導的。