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| fines | |||
| microprojectile | |||
| 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。) | |||
| corpuscle | |||
| finely divided particle; fine particle; particulate | |||
| 微粒子: 50 phrases in 17 subjects |