单词	term of art
释义	term of art 专门术语
随便看	piggyback handling facility piggyback hardware piggy-back hatch cover piggyback hatchcover piggyback infusion set piggybacking piggy backing piggy-backing piggybacking marketing piggy-backings piggybacking tactic piggy-back legislation piggyback liver transplantation piggy-back microbiological sampler Piggyback Mortgage piggyback on piggyback on something piggy-back operation piggyback pilot valve piggyback plant piggyback plants piggy-back promotion Piggyback registration Piggyback Registration Rights piggyback ride 安于故俗，溺于旧闻安于现状安于盘石安份守己安内攘外安分守己安分守已安分知足安危与共安危相易導出導因導尿導師導引導水導火線導管導線導論