10 sentences

1. 这两件事的性质判然不同。

   zhè liǎng jiàn shì de xìng​zhì pàn rán bù​tóng.

   These two things are of a distinctly different nature.

   Source: Dong Chinese Dictionary

2. 这些基的化学性质各不相同。

   zhè​xiē jī de huà​xué xìng​zhì gè bù xiāng​tóng.

   The chemical properties of these functional groups are all different.

   Source: Dong Chinese Dictionary

3. 问题的性质已经发生了改变。

   wèn​tí de xìng​zhì yǐ​jīng fā​shēng le gǎi​biàn.

   The nature of the problem has changed.

   Source: Dong Chinese Dictionary

4. 几何学研究平面和立体的性质。

   jǐ​hé​xué yán​jiū píng​miàn hé lì​tǐ de xìng​zhì.

   Geometry studies the properties of planes and solids.

   Source: Dong Chinese Dictionary

5. 这种金属的物理性质非常稳定。

   zhè zhǒng jīn​shǔ de wù​lǐ xìng​zhì fēi​cháng wěn​dìng.

   The physical properties of this metal are very stable.

   Source: Dong Chinese Dictionary

6. 这两个概念在性质上有明显的区隔。

   zhè liǎng gè gài​niàn zài xìng​zhì shàng yǒu míng​xiǎn de qū​gé.

   There is a clear distinction in nature between these two concepts.

   Source: Dong Chinese Dictionary

7. 热胀冷缩是许多物质的基本物理性质。

   rè zhàng lěng suō shì xǔ​duō wù​zhì de jī​běn wù​lǐ xìng​zhì.

   Thermal expansion and contraction is a basic physical property of many substances.

   Source: Dong Chinese Dictionary

8. 这两件事性质完全不同，不能相提并论。

   zhè liǎng jiàn shì xìng​zhì wán​quán bù​tóng, bù néng xiāng​tí​bìng​lùn.

   These two matters are of completely different natures and cannot be mentioned in the same breath.

   Source: Dong Chinese Dictionary

9. 医生建议他做一次活检以确定肿瘤的性质。

   yī​shēng jiàn​yì tā zuò yī cì huó​jiǎn yǐ què​dìng zhǒng​liú de xìng​zhì.

   The doctor suggested he have a biopsy to determine the nature of the tumor.

   Source: Dong Chinese Dictionary

10. 由于化学性质活泼，这种元素在自然界中很少以单质形式存在。

    yóu​yú huà​xué xìng​zhì huó​po, zhè zhǒng yuán​sù zài zì​rán​jiè zhōng hěn shǎo yǐ dān​zhì xíng​shì cún​zài.

    Due to its high chemical reactivity, this element is rarely found in nature in its pure form.

    Source: Dong Chinese Dictionary