Alternando
更比定理
🗣️ 情景例句
Did she accept your reasons for being late?
她是否接受你迟到的理由？
Forget it!
算了！
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。