🧩 词语组成解析
n. 拉尔夫（男子名）
n. 理查森（姓氏）
🗣️ 情景例句
Hi, Alexandra. Come on in.
嗨， Alexandra 。请进。
You have to be on time. Don't be late.
只准早到，不许迟到。
I'm sorry I don't know. You'd better ask that policeman over there.
对不起，我不知道。你最好问问那边的警察。