例如，1919年，在加拿大温哥华岛附近捕获了一条座头鲸，它有一对长达1米多的腿状附肢，还有完整的整套肢骨。

In 1919, for example, a humpback whale with a pair of leglike appendages over a metre long, complete with a full set of limb bones, was caught off Vancouver Island in Canada.

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一个典型的登革热感染病人卧床一周多并伴随发热和四肢剧痛，但是大部分可以康复。

A typical dengue infection confines a patient to bed for more than a week with fever and severe limb pains, but most recover.

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雄性大猩猩尽其所能的多拿，由于猩猩通常是用四肢着地行走的，所以它就尽可能地在自己的嘴巴里多塞几根胡萝卜。

The male took as many carrots as he could hold in hands and, as gorillas usually walk on four PAWS, he put as many carrots in his mouth as he could.

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