3 sentences for 精 (jīng — semen)

1. 受精卵分裂并成为胚胎。

   shòu​jīng​luǎn fēn​liè bìng chéng​wéi pēi​tāi.

   The fertilized egg divides and becomes an embryo.

   Source: CCMatrix

2. 水母将卵和精液排入大海而繁殖。

   shuǐ​mǔ jiāng luǎn hé jīng​yè pái​rù dà​hǎi ér fán​zhí.

   Jelly fish reproduce by releasing eggs and sperm into the sea.

   Source: UM-Corpus: Education

3. 男人一辈子都能产生精子，这意味着他们在任何年龄都能做父亲。

   nán​rén yī​bèi​zi dōu néng chǎn​shēng jīng​zǐ, zhè yì​wèi​zhe tā​men zài rèn​hé nián​líng dōu néng zuò fù​qīn.

   Men can produce sperm throughout their lives, which means they can father children at any age.

   Source: CCMatrix