Vacuum receiver
[化] 真空罐; 真空受器; 真空接受器\\n[医] 真空接受器
🧩 词语组成解析
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
I know the boy whose father is a guide.
我知道那个男孩的父亲是导游。
Oh! Is that a ball? Aren't all balls round?
噢，那是个球吗？难道所有的球不都是圆的吗？