奇闻趣事(奇闻趣事英语作文)

导语：读“奇闻趣事”学英文之OUR BODY篇002

这个系列，只能不定期更新了，敬请原谅……

The largest cell in the human body is the female ovum，or egg cell. It is about 1/180 inch in diameter. The smallest cell in the human body is the male sperm. It takes about 175,000 sperm cells to weigh as much as a single egg cell.

蓝色背景上的单人卵细胞

精子sperm来自于拉丁语，意思是seed

人体最大的细胞是女子的卵细胞，其直径约为1/180英寸。人体最小的细胞是男子的精子。175,000个精子细胞才抵得上一个卵细胞的重量。

知识点：

1、cell: the smallest unit of living matter that can exist on its own. All plants and animals are made up of cells. 细胞 -----》cellular : 细胞的；由细胞组成的

◆ blood cells 血细胞

◆ brain cells 脑细胞

2、ovum: ( biology 生 ) a female cell of an animal or a plant that can develop into a young animal or plant when fertilized 卵；卵子；卵细胞

◆ 复数形式是 ova，发音和 over 相同。

3、1/180 inch = 0.141111mm

4、diameter：直径

◆ The dome is 42.3 metres in diameter. 这个穹顶直径为 42.3 米。

5、It takes about 175,000 sperm cells to weigh as much as a single egg cell.

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