n.优惠券；息票，通票；试样，试件；配给券 变形： 复数：coupons 双语释义：n.(名词)[U]礼券,优惠券 a ticket that shows the right of the holder to receive some payment, service[C]订货单,参赛表 printed form, often cut out from a newspaper英英释义： coupon[ 'ku:pɔn ]n.a negotiable certificate that can be deta