Diethylstilbene
己烯雌酚
🗣️ 情景例句
This is he speaking.
我就是。
A fool attempting to be witty is an object of profoundest pity.
蠢人装聪明，实在最可怜。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。