2 sentences for 性 (xìng — property)

1. 这种细胞薄膜具有半透性。

   zhè zhǒng xì​bāo bó​mó jù​yǒu bàn tòu xìng.

   This cell membrane is semi-permeable.

   Source: Dong Chinese Dictionary

2. 中药讲究药的寒、热、温、凉四性。

   zhōng​yào jiǎng​jiu yào de hán, rè, wēn, liáng sì xìng.

   Traditional Chinese medicine focuses on the four properties of herbs: cold, hot, warm, and cool.

   Source: Dong Chinese Dictionary