词汇	發哀
释义	發哀 fā āi舉行哀悼儀式。
随便看	gravitational waves gravitational wave source gravitational wave surface gravitation attraction gravitation casting method gravitation concrete mixer gravitation concrete pipe gravitation constant gravitation differentiation Gravitation double refraction thermal effect gravitation dynamics gravitation effect gravitation energy gravitation field gravitation field intensity Gravitation Field Model gravitation filter gravitation force gravitation gliding structure gravitation gradient moment gravitation inlet pipe gravitation launching gravitation law gravitation marshalling yard gravitation mass