homosphereWiktionary 原文英美构词拆解homohomo-前缀sphere-sphere后缀homo-Same, identical.-sphere(mathematics) Sphere of a certain dimensionality. · Spherical object.词源说明From homo- + -sphere.释义名词noun1The lower part of the atmosphere, up to about 60 miles or 100 km, in which there is no great change in its composition.