Propionic
[医]丙酸的
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
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。
this little 'o' indicated that the train only stopped for mail.
这个标记表示列车是为装邮件而停车。