生活很奇妙,在我们身边就有许多真事让人难以置信。举个例子,你知道在金星上一天比一年都长么,你知道有些动物出生时就怀孕了么?下面我们就介绍7个怪异的事实,听起来都不像是真的。
1. There's a species of shark that can live for around 500 years.
1.有一种鲨鱼可以活到将近500岁。
The Greenland Shark has the longest lifespan of all known vertebrates, living an average of 272 years, and some of them can live to be around 500 years old.
格陵兰鲨是世界上已知的最长寿的脊椎动物,它们的平均寿命有272岁,其中有些甚至会活到500岁左右。
2. Human children don't get kneecap bones until they're around three years old.
2.人类到三岁膝盖骨才会长成。
It takes a while for children to get kneecaps. That part of the skeleton is called the patella. It starts out as cartilage and then ossifies into bone at around toddler age.
小孩膝盖前端的骨头要一段时间才能长成。这个部分我们叫它膝盖骨。它在一开始只是软骨组织,在学习走路的那段时间才会逐渐骨化,形成骨头。
3. Aphids give birth to other pregnant aphids.
3.蚜虫会生出怀孕的蚜虫。
Aphids are a common garden insect. Most of them are born pregnant and don't need men.
蚜虫是一种常见的园林害虫。它们大多数都是无性生殖,出生时就是怀孕的。
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2020-09-15
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