4 sentences

1. 许多亚洲人患有乳糖不耐受症。

   xǔ​duō Yà​zhōu​rén huàn​yǒu rǔ​táng bù nài shòu zhèng.

   Many Asians suffer from lactose intolerance.

   Source: Dong Chinese Dictionary

2. 这种新型抗生素是耐药菌的克星。

   zhè zhǒng xīn​xíng kàng​shēng​sù shì nài yào jūn de kè​xīng.

   This new antibiotic is the nemesis of drug-resistant bacteria.

   Source: Dong Chinese Dictionary

3. 这种材料极不耐高温，加热时要小心。

   zhè zhǒng cái​liào jí bù nài gāo​wēn, jiā​rè shí yào xiǎo​xīn.

   This material is not at all heat-resistant; be careful when heating it.

   Source: Dong Chinese Dictionary

4. 专家成功培育出了更耐寒的蔬菜品种。

   zhuān​jiā chéng​gōng péi​yù chū le gèng nài hán de shū​cài pǐn​zhǒng.

   Experts have successfully developed hardier vegetable varieties.

   Source: Dong Chinese Dictionary