2 sentences

1. 这颗卵子已经受精了。

   zhè kē luǎn​zǐ yǐ​jīng shòu​jīng le.

   The egg has been fertilized.

   Source: Dong Chinese Dictionary

2. 卵子通常在输卵管中受精。

   luǎn​zǐ tōng​cháng zài shū​luǎn​guǎn zhōng shòu​jīng.

   The egg is usually fertilized in the fallopian tube.

   Source: Dong Chinese Dictionary