Methylnorethindron
甲基炔诺酮
🗣️ 情景例句
How are you doing, Richard?
现在怎么样， Richard？
Is it true, darling?
这是真的吗，亲爱的？
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。