Nbcs
[医][=newborn calf serum]新生牛血清
🗣️ 情景例句
After I finish my homeword, I usually watch TV for half an hour or so.
我做完作业后，通常看半个小时的电视。
I give you my word for it.
对于此事我向你保证。
I suddenly pressed the brake pedal and we were both thrown forward.
我突然用力踩紧刹车踏板，结果我俩的身体都向前冲去。