单词	gravity center
释义	gravity center 重心
随便看	electronic storage system electronic store electronic storefront electronic streak camera electronic stroboscope electronic structure electronic structure factor electronic stylus electronic styluss electronic subassembly electronic submission system electronic subshell electronic sunflower electronic superhighway electronic supermicroscope electronic support measure (esm) electronic support measures electronic surge arrester electronic surveillance electronic surveillance equipment electronic surveillances electronic surveying electronic survey sensor electronic susceptance electronic susceptibility webq webw weby webz wedz weex wefy wei wen weng dolmen dolphin kick domain dome domestic violence domino Don Don Juan donor donor card