《英汉医学词典》pulling traction 牵引 traction by pulling and extension: 拔伸牵引traction; pulling; towing: 拖带pulling: 拉单晶的; 拉伸; 拉物体; 普林; 牵引的; 提升pulling in: 牵入a traction: 抽象; 概括下载手机词典可随时随地查词查翻译