Pleuroscopy
胸膜腔镜检查
🗣️ 情景例句
I know.
我知道。
You cannot flay the same ox twice.
一头牛不能剥两次皮。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长