Usan
[医][=thiamphenicol]甲砜霉素，甲砜氯霉素
🗣️ 情景例句
His family is a nuclear family with three generations living together under one roof.
他的家庭是三代同堂住在同一屋檐下。
Do not through fear of poverty surrender liberty.
不要因为怕贫困而舍去自由。
Yes, I am.
是的。