Knotholes
(knothole 的复数) n. 节孔
🗣️ 情景例句
By plane?
坐飞机来？
That's a book.
那是一本书。
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。