Lecithovitellin
[医] 卵黄悬胶液
🗣️ 情景例句
There's something I have to ask you.
我有一件事要问你 。
What courses will you be taking this semester?
你本学期打算修什么科目？
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。