dust-free plant

例句：

1. 1. This newair purifier is designed to keep theroom dust-free.
   这款新型空气净化器旨在保持房间无尘。
2. 2. The gardener carefully maintains a dust-free environment for theflowers.
   园丁小心地维护着为花朵创造一个无尘环境。
3. 3. Thecompany has introduced a productthat claims to be dust-free and hypoallergenic.
   该公司推出了一种声称是无尘且低过敏的产品。