这就是鸟儿如何年复一年地回到同一个繁殖地、过冬地和途经地的。

That's how the birds return to the same breeding, wintering, and stopover sites year after year.

youdao

看着窗外的厚厚积雪，他说道，北方人节俭地使用生活必需品；为了熬过冬天，他们必须在夏天储存食物。

Noting the thick snow outside his window, he says northern peoples are thrifty by necessity; they must save food in the summer to survive the winter.

youdao

冬天又来临的时候，乔迪把虫子移进屋里，这样它们就安然地过冬了。

When winter came Jody took the worms inside so they would stay warm.

youdao