noun🔗Share伸缩笔 A retractable pen."My father uses a retractable pen for signing documents at work. "我父亲在工作时用伸缩笔签署文件。stationeryitemChat with AIVocabulary GamePractice Reading
adjective🔗Share可伸缩的，可缩回的 Capable of being retracted; retractile."The pen has a retractable tip, so you can click it to hide the point when you're not writing. "这支笔有一个可伸缩的笔尖，所以不写字的时候，你可以按一下把它收回去。technicaldevicemachinetechnologyfunctionChat with AIVocabulary GamePractice Reading
