单词	be second to
释义	be second tophr.① 次於…；劣於…
随便看	earth observation data management system earth observation data management system{=eodms} earth observation satellite earth observation satellite (eos) earth observation system earth observation system{=eos} earth observing system earth oil earth orbit earth-orbit earth-orbiting satellite earth orbit rendezvous earth orbit rendezvous (eor) earth orientation parameter earth-oriented satellite earth oscillation earth parabolic earth parabolic speed earth parking orbit earth parking orbit (epo) earth pea earth-pea earthpea earth penetrator earth pig