3 sentences

1. 这种酶在高温下会失去活性。

   zhè zhǒng méi zài gāo​wēn xià huì shī​qù huó​xìng.

   This enzyme loses its activity at high temperatures.

   Source: Dong Chinese Dictionary

2. 人体内的酶对消化食物至关重要。

   rén​tǐ nèi de méi duì xiāo​huà shí​wù zhì​guān​zhòng​yào.

   Enzymes in the human body are essential for digesting food.

   Source: Dong Chinese Dictionary

3. 这种酶能够催化细胞内的生化反应。

   zhè zhǒng méi néng​gòu cuī​huà xì​bāo nèi de shēng​huà fǎn​yìng.

   This enzyme can catalyze biochemical reactions within cells.

   Source: Dong Chinese Dictionary