Undercrowding
欠拥挤度, 过疏
🗣️ 情景例句
She flunked her English examination.
她的英语考试失败了。
His name is John Smith.
他叫约翰、史密斯。
I'm going to see my husband. He's ill in hospital.
我要去看我丈夫。他生病住了医院。