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。
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见,因为陆地上几乎没有什么东西覆盖它们。