2 sentences

1. 酮类化合物在化学工业中非常重要。

   tóng lèi huà​hé​wù zài huà​xué gōng​yè zhōng fēi​cháng zhòng​yào.

   Ketones are very important in the chemical industry.

   Source: Dong Chinese Dictionary

2. 橘子皮内层的白络含有丰富的生物类黄酮。

   jú​zi pí nèi​céng de bái luò hán​yǒu fēng​fù de shēng​wù lèi huáng tóng.

   The white pith inside the orange peel is rich in bioflavonoids.

   Source: Dong Chinese Dictionary