Vacuscope
真空仪
🗣️ 情景例句
Oh, hello! How nice of you to remember us!
噢， 好， 真好， 还记得我们！
John has extracurricular activities. He's on the football team.
约翰有课外活动。 他参加了足球队。
I'll have to ask my boss first.
我必须先问一下我的老板。