Crossing number
[计] 数
🧩 词语组成解析
🗣️ 情景例句
He's had so many colds and sore throats recently.
他最近常常感冒喉咙痛。
I can only afford to watch television for an hour gonight because I have homework to do.
因为我要做家庭作业，所以今晚我只能花一小时看电视。
Hello. You look tired today.
你好。你今天显得有点儿累。