Sanclomycin
四环素
🗣️ 情景例句
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
They don't know when the wedding will be.
他们不知道婚礼将是什么时候。
Oh dear! What's wrong?
噢，亲爱的！怎么啦？