3 sentences

1. 我们的身体会在睡眠时释出重要的荷尔蒙。

   wǒ​men de shēn​tǐ huì zài shuì​mián shí shì​chū zhòng​yào de hé'ěr​méng.

   Our bodies release important hormones during sleep.

   Source: CCMatrix

2. 当你怀孕时，身体会经历突然的、剧烈的荷尔蒙波动。

   dāng nǐ huái​yùn shí, shēn​tǐ huì jīng​lì tū​rán de, jù​liè de hé'ěr​méng bō​dòng.

   When you’re pregnant, your body goes through sudden, dramatic hormonal fluctuations.

   Source: CCMatrix

3. 荷尔蒙在这个时候的变化会让你感到疲倦，恶心和情绪激动。

   hé'ěr​méng zài zhè​ge shí​hou de biàn​huà huì ràng nǐ gǎn dào pí​juàn, ě​xin hé qíng​xù jī​dòng.

   Hormonal changes at this time can make you feel tired, nauseous and emotional.

   Source: CCMatrix