Hoover's sign
[医] 胡佛氏征
🧩 词语组成解析
🗣️ 情景例句
I think you ought to
我觉得，你们应该
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'm going to the shops.
我到商店去。