🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
Your history paper is due.
你的历史课作业该缴了。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。