Immunopathogenesis
免疫发病机理
🗣️ 情景例句
Hello. Hello there. Are you ready for lunch with your grandpa?
哈喽 。哈喽 。 准备好跟你的祖父一起吃午饭吗？
It is more pain to do nothing than something.
什么都不做要比做一点更不好受。
Is it expensive to hire a car?
租车贵不贵？