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。
When we talk about the universe, we mean the earth, the sun, the moon and the stars, and the space between them.
人们谈论宇宙时,是指地球、太阳、月亮、星星以及它们存在的空间。