单词	进入时机
释义	进入时机timing of entry
随便看	earth stabilization earth star earthstar earth star-- ceaster hygrome tricus pers. earth star; ceaster hygrome tricus pers. earth station earthstation earth station antenna earth station disks earth station--figure of merit (g/t) earth station of satellite communications earth stick earth strain earth stratification earth stress earth stripe earth structure earth summit earth surface earth-surface coordinate system earth surface system earth surface voltage earth switch earth switch--es earth switch，es