求翻译：经过三四年，袋鼠才能发育成熟，成为身高1．6米、体重100多公斤的大袋鼠。这时候，它的体力发展到了顶点，每小时能跳走65公里路；尾巴一扫，就可以致人于死地。是什么意思？

After three or four years, the kangaroo in order to mature, to become about 1.6 meters tall, weighing 100 kilograms of kangaroo. At this time, it's physical development to a peak, go 65 km per hour, can jump way; tail swept away, so you can kill a person.

After 34 years, Kangaroo can mature and become a height 1.6 meters tall, weighs 100 kilograms of Kangaroos. By that time, it was the culmination of physical development, would be able to jump away 65 kilometers per hour; tail swept away, can kill.

After 34 years, the kangaroo can grow maturely, becomes the height 1.6 meter, the body weight more than 100 kilograms great gray kangaroos.At this time, its physical strength developed the apex, each hour could jump 65 kilometers roads; As soon as the tail sweeps, may send the human in the deathtrap

After three or four years, the kangaroos to mature, become standing 1. 6 m and weighing more than 100 kilograms of kangaroos. At this time, its physical development to a climax, can jump to the road 65 kilometres per hour; a swept tail, it can be caused by people to kill.

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