🧩 词语组成解析
n. 圣诞节, 圣诞颂歌
🗣️ 情景例句
about your math teacher or your math homework.
你的数学老师或你的数学作业。
He was content that the thing had happened.
这事终于发生了，对此他是满意的。
It starts at four thirty, doesn't it?
聚会4：30开始，是吧？