4 sentences

1. 雄性企鹅负责孵化蛋。

   xióng​xìng qǐ'é fù​zé fū​huà dàn.

   Male penguins are responsible for incubating the eggs.

   Source: Dong Chinese Dictionary

2. 传说中，凤是雄性，凰是雌性。

   chuán​shuō zhōng, fèng shì xióng​xìng, huáng shì cí​xìng.

   In legend, 'Feng' is male and 'Huang' is female.

   Source: Dong Chinese Dictionary

3. 这种昆虫的雌性体型比雄性大。

   zhè zhǒng kūn​chóng de cí​xìng tǐ​xíng bǐ xióng​xìng dà.

   The females of this insect are larger than the males.

   Source: Dong Chinese Dictionary

4. 在某些农场，雄性小羊在出生后不久就要进行去势。

   zài mǒu​xiē nóng​chǎng, xióng​xìng xiǎo​yáng zài chū​shēng hòu bù​jiǔ jiù yào jìn​xíng qù​shì.

   On some farms, male lambs are castrated shortly after birth.

   Source: Dong Chinese Dictionary