Polycycline
(=tetracycline)四环素
🔁 扩展释义
【化】 四环素
🗣️ 情景例句
Shopping vouchers are ofter a good means of attracting customers.
购物优惠券是吸引顾客的好方式。
To read only the good news
只看好消息
We regard them as unnecessary creatures that do more harm than good.
我们把昆虫当作害多益少的无用东西。