Mm.
n. 毫米
🗣️ 情景例句
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
Be my guest.
别客气。
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，楼下人去找楼上人谈谈。 他上楼敲门。