It was ten degrees below zero last night (= –10C) .
昨天夜里的气温是零下10摄氏度。
But when they cross a busy road using a zebra crossing, traffic is held up.
但是当他们通过斑马线过繁华的马路时,交通就被阻碍了。
The children were safely zipped into their sleeping bags.
孩子们都安安稳稳地躺在睡袋里,拉链也给他们拉好了。