Interval number
[计] 区间数
🧩 词语组成解析
🗣️ 情景例句
Ooh, speaking of keeping busy-I have an early start tomorrow,and the baby-sitter has to get home.
哦， 说到忙于工作，我明天还得早起，而且临时保姆也该回家了。
We can't recall how long it's been.
我们记不起来经历了多久了。
It's eight thirty.
八点三十。