Polycycline
(=tetracycline)四环素
🔁 扩展释义
【化】 四环素
🗣️ 情景例句
You'd better heat the dishes for a whild. Cold food isn't good for your stomach.
你最好是把菜温一温再吃，凉的食物对胃不好。
No man learns but by pain or shame.
不经痛苦羞辱，难以取得教训。
I have never been able to look at a snail since then.
从那以后，我再也不能看一眼蜗牛了。