Parallergin
副变应原
🗣️ 情景例句
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
One enemy is too much.
一个敌人也太多。
Most of the earth's surface is covered by water.
大部分的地球表面被水覆盖着。