一个 (yī gè)充满 (chōng mǎn)保 (bǎo)护 (hù)性 (xìng)液体 (yè tǐ)的 (de)卵泡 (luǎn pào)内 (nèi)的 (de)卵 (luǎn)细 (xì)胞 (bāo)
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