debenture债: debt; loan单: singular number fate; destin ...券: arch券: 券名词(票据或作为凭证的纸片) certificate; ticket 公债券 government bond; 奖券 lottery ticket; 入场券 admission ticket; 外汇兑换券 foreign exchange certificate凭证,券: voucher下载手机词典可随时随地查词查翻译