When a sperm whale is sick, it many produce a fatty substance called ambergris.

当抹香鲸生病时，它会产生出一种脂肪物质，被称为龙涎香。

youdao

It is eaten by a type of whale called the sperm whale, which is over 18 metres long. The sperm whale does not feed on small like other whales.

鱿鱼是一种名叫巨头鲸的鲸鱼的食物，这种鲸鱼体长超过18米。巨头鲸鱼，它不以小鱼为食。

youdao

Sperm whales are often spotted in groups (called pods) of some 15 to 20 animals.

抹香鲸通常被发现成群出现，每群大约有15至20条。

youdao

The result of fertilization now is a new cell that is the union of the sperm and the egg, and it's called the zygote and it contains the diploid number of chromosomes, genes.

受精就是产生,一个精卵结合的新细胞,称为受精卵,它含有二倍体的染色体基因

耶鲁公开课 - 生物医学工程探索课程节选

The so-called "Sperm Show", if made into a full series, will conclude with the contestant's artificial insemination after she has chosen her donor.

BBC: NEWS | Entertainment | Dutch TV show seeks sperm donor

Racers wax their boards with an old-fashioned preparation called "dope, " whose original recipe called for spermaceti--a fatty substance produced by sperm whales.

FORBES: Magazine Article

Instead, they used a measure called recombination distance, a gauge of how likely genes are to be reshuffled when sperm and egg cells are produced.

FORBES: DeCode's Genetic Breakthrough Barely Registers