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Swallows migrate south in winter.

燕子在冬天迁徙到南方。

The swallows are building a nest under the roof of our house.

燕子正在我们的屋檐下筑巢.

Swallows come by groups at the advent of spring.

春天来临时燕子成群飞来.

He had a few swallows of tea and then hurried out.

他喝了几口茶,就匆忙出去了. 燕子

Swallows carry bits of earth in their bills to build nests.

燕子衔泥筑窠.

Swallows begin their migration south in autumn.

燕子在秋季开始向南方迁移.

The swallows are nesting in the woodshed.

燕子正在小棚里筑巢呢.

The swallow shaved the top of a tree.

燕子擦着树梢飞过.

The swallow dashed [ shot ] through the air.

燕子躜天儿.

Swallows fly about, carefree and at liberty.

燕子自由自在地飞翔.

Swallows were darting through the clouds.

燕子穿云急飞.

The swallows skimmed along the ground.

燕子掠过地面.

The swallows nested under the eaves.

燕子筑巢于屋檐下.

There were swallows in the cloudless blue sky.

燕子在万里无云的蓝天飞翔。

Swallows come by group at the advent of spring.

春天来临时燕子成群飞来。