jīng / zǐ / hé / luǎn / zǐ / dōu / shì / shēng / zhí / guò / chéng / zhōng / zhòng / yào / de / pèi / zǐ

精子和卵子都是生殖过程中重要的配子。

Sperm and eggs are both important gametes in the reproductive process.