Polycycline
(=tetracycline)四环素
🔁 扩展释义
【化】 四环素
🗣️ 情景例句
That is extremely interesting.
那极为有趣。
Those that make the best use of their time have none to spare.
能充分利用时间的人不会有时间多馀。
Oh, dear! What's wrong?
噢，天哪！怎么啦？