Nbcs
[医][=newborn calf serum]新生牛血清
🗣️ 情景例句
What time is my lunch date with Bill Levine?
我与Bill Levine 约好的中饭时间是几点？
I put on my sweater.
我穿上了我的毛衣。
Where are you from?
你是哪里人？