retractile cord 可收缩软线
retractile mesenteritis 回缩性系膜炎
retractile fibre 收缩性纤维
retractile disc 回缩盘
relay retractile spring 继电器复位弹簧 ; 继电器回缩弹簧
retractile spring 复位弹簧 ; 收回簧
"cats have retractile claws"
以上来源于: WordNet
ADJ capable of being drawn in 收缩的
the retractile claws of a cat
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