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| Chinese | English |
| 在空气中的悬浮粒子 | airborne particulates |
| 微粒子 | particle 1. Any very small part of matter, such as a molecule, atom, or electron. 2. Any relatively small subdivision of matter, ranging in diameter from a few angstroms to a few millimeters (1. 任何很小的物质，如一个分子、原子、或电子。2.有相对较小的部分，单位从几个埃到毫米。) |
| 溶性粒子 | dissolved particle |
| 物质粒子如尘埃 | particulate matter |