埃 āiāi fine dust Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: angstrom All meanings 4 āi 3 phonetic 2angstrom 1āi 1 Egypt or Ethiopia 1 1 sentence for 埃 (āi — angstrom) 原子的直径通常用埃来表示。 yuánzǐ de zhíjìng tōngcháng yòng āi lái biǎoshì. Atomic diameters are usually expressed in angstroms. Source: Dong Chinese Dictionary