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1·It only takes one sperm to fertilize an egg.

只需一个精子就可以使卵受精。《柯林斯英汉双解大词典》

2·Conception occurs when a single sperm fuses with an egg.

当一个精子和一个卵子结合时受孕就发生了。《柯林斯英汉双解大词典》

3·Each male ejaculation will contain up to 300 million sperm.

男性每次射精的精液含多达三亿个精子。《柯林斯英汉双解大词典》

4·The sperm fuses with the egg to begin the process of fertilization.

精子与卵子结合开始受精过程。《牛津词典》

5·The sperm sample is checked under the microscope before insemination is carried out.

进行受精前用显微镜检查精子样本。《柯林斯英汉双解大词典》

6·A female stores sperm and can determine the sex of each egg she lays by fertilizing it or leaving it unfertilized.

雌性储存精子，可以通过受精或不受精来决定每一个卵细胞的性别。

7·Sperm whales are emperors of the ocean.

抹香鲸是海洋之王。

8·Let's think about what we can do to save sperm whales.

想想为了拯救抹香鲸，我们能做些什么？

9·On this butterfly egg, the lacy pattern marks the micropyle, where sperm enters.

在这种蝴蝶卵上，花边图案标记精子进入的卵孔。

10·For a long time, we assumed that all whales that had teeth including sperm whales and killer whales were closely related to one another.

在很长一段时间里，我们认为所有有牙齿的鲸鱼，包括抹香鲸和虎鲸，彼此都是密切相关的。

(1)sperm whale巨头鲸；抹香鲸（等于Physeter catodon）

(1)sperm countn. [医]精子数

(1)sperm bank精子库

(1)sperm cell精细胞，精子

(1)sperm donor捐献精子的人