Nbcs
[医][=newborn calf serum]新生牛血清
🗣️ 情景例句
But I understand.
但是我能理解。
The movie began as soon as we got there.
我们一到那儿电影就开始了。
She gave her luggage to a porter and showed him her ticket.
她把行李交给搬运工并给他看了车票。