3 sentences

1. 汗水本身其实是无味的。

   hàn​shuǐ běn​shēn qí​shí shì wú​wèi de.

   Actually, sweat itself is odorless.

   Source: CCMatrix

2. 水为什么无色、无味、无气味？

   shuǐ wèi​shén​me wú​sè, wú​wèi, wú qì​wèi?

   Why is water colorless, tasteless, and odorless?

   Source: CCMatrix

3. 确保您购买无味或真正自然香味的物品。

   què​bǎo nín gòu​mǎi wú​wèi huò zhēn​zhèng zì​rán xiāng​wèi de wù​pǐn.

   Make sure you are buying unscented or truly naturally scented items.

   Source: CCMatrix