Polycycline
(=tetracycline)四环素
🔁 扩展释义
【化】 四环素
🗣️ 情景例句
Good luck.
祝你好运。
Bitter pills may have wholesome effect.
良药苦口利于病。
Oh, we have beautiful sunshine everyday! It's very warm. Sometimes it's too hot.
噢，每天阳光明媚！很暖和。有时太热。