单词	piggybacks
释义	请查阅词条：piggyback
随便看	natural childbirth natural child/son/daughter natural classification natural color natural-colored natural colour natural-coloured natural day natural deduction natural disaster natural element natural environment naturalesque natural feeling natural fiber natural fibre natural food natural fool natural forces natural foundation natural frequency natural gas natural gas liquid natural gender natural glass 一百一一盘散沙一盘棋一目了然一目十行一直一相情愿一瞥一瞬一知半解 Abkühlungsverlust Abkühlungsvermögen Abkühlungsvorgang Abkühlungswirkung Abkühlungszeit Abkühlungszone Abkühlverlust Abkühlversuch Abkühlvorgang Abkühlvorrichtung