Epitetracyclin
[化] 差向四环素
🗣️ 情景例句
if I may have your attention for a moment, please?
我想占用你们一点点时间 好吗
He that lies down with dogs must rise up with fleas.
近朱者赤，近墨者黑。
What's in it?
里面是什么东西？