animal tracking动物: animal跟踪: follow the tracks of; tail a ...抵押物跟踪制度: collateral tracking system关键发行物跟踪: key lssue tracking全自动货物跟踪系统: fully automated cargo tracking system下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:动物跟踪,即可在微信中查询翻译