Biologics
生物制剂
🗣️ 情景例句
If you have time around Christmas, please come to visit my family.
如果你圣诞节前后有空，欢迎到我家来玩。
How many dozen are you going to take?
你要拿几打？
I've been working at a meat factory for about two months now.
大约两个月来，我一直在一家肉厂干活。