Iodooctadecane
碘代十八烷
??? 情景例句
That's a good idea.
好主意。
These clothes are very beautiful, but are not of vary good quality.
這些衣服很漂亮，但是質量并不太好。
Workers will have completed the new roads by the end of this year.
工人們將在今年年底前把新路鋪好；