Buchner's tneory
[医] 布赫内氏学说(免疫学说)
🗣️ 情景例句
Especially when it comes to speaking in English and fortunately or unfortunately.
特别是要用英文来演讲，不知是幸运还是不幸。
Here's no necessary.
我看没这必要。
Tang Lin, I want to introduce my friend Jane.
唐林，我想向你介绍我的朋友珍妮。