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1·He landed feet first.

他落地时双脚先着地。《牛津词典》

2·Enter the water carefully and feet first.

小心入水，脚先入水。

3·Go in feet first so that you can know how deep the water is.

脚先入水，这样你就能知道水有多深。

4·You'll have to carry me out feet first!

想把我撵走，除非让我横着出去！《牛津词典》

5·If possible aim to land feet first.

如果可能的话，尽量让脚先着地。

6·Focus on the feet first.

首先，将注意力集中在脚上。

7·The body went feet first into the sea.

躯体的双脚先入水，脚上系的铁块儿拖着他往下沉。

8·In fast, shallow water, swim on your back, feet first.

在浅而急的水中，要用仰泳，先蹬腿。

9·Then he flung outward, feet first, with a swish, Kicking his way down through the air to the ground.

然后，纵身一跳，他两脚先伸出去，在空中乱踢乱舞，于是飕的一声，降落到地面。

10·Cats are champs at landing feet first over short distances, thanks to a highly flexible backbone.

多亏了那灵活的脊柱，猫称得上是短距离坠落后用脚着地的冠军。