Polycycline
(=tetracycline)四环素
🔁 扩展释义
【化】 四环素
🗣️ 情景例句
Ellen, I'd like your opinion. Ellen
我想听听你的意见。
He failed the examination but he didn't seem to care.
他考试不及格却似乎并不在乎。
Even the bull seemed to feel sorry for him,
因为它一直同情地看着醉汉，