复数：angstroms
1.【物】埃
1.a unit of length equal to one ten-billionth of a meter (10 m), used to measure the wavelengths of electromagnetic radiations.
2.the letter "a" with a mark (°) placed above it, used in some Scandinavian languages to indicate a change in pronunciation from "a" to "aw"
AngstromsAngstromsAngstroms