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1·Ducks have webbed feet to help them swim.

鸭子的脚长有游泳用的蹼。

2·The webbed feet are used for swimming.

蹼足可用于游泳。

3·The duck paddled its way within a minute with its webbed feet.

鸭子在水里用鸭蹼划水，一会游了很远。

4·If you ever come back, I'm going to nail those webbed feet of yours to the floor!

你要是再敢来，我就用钉子把你两个脚片子钉在地板上！

5·It was moving its big webbed feet slowly. And the swans stood in the air watching.

黑额黑雁慢慢地移动着大大地蹼脚，空中盘旋的天鹅望着它的每一个举动。

6·Then the goose was free and standing on the ice. It was moving its big webbed feet slowly.

黑额黑雁慢慢地移动着大大的蹼脚，空中盘旋的天鹅望着它的每一个举动。

7·I told you every time that we don't have any grapes, I'll nail your webbed feet to the floor!

我每次都告诉你没有！我发誓，如果你再敢来问有没有葡萄，我就用钉子把你那双脚蹼钉在地板上！

8·I swear if you come back in here again, and ask for grapes, I'll nail your webbed feet to the floor!

我发誓如果你再来这找葡萄，我就把你的鸭蹼子钉到地板上！

9·An otter. A small animal that has four webbed feet, a flat tail and thick brown fur, living on the edge of a river.

水獭，是一种细小的动物，有四只有蹼的脚，一条扁平的尾巴，身上有厚的啡色毛皮，在河边生活。

10·Human embryos, for instance, develop, then lose, gills, webbed feet and rudimentary tails, reflecting their ancient aquatic life styles.

比如人类胚胎会发育出腮、蹼足和退化的尾巴，映现出远古水生生物的性状。