coupons 📖 中文释义 n. 优惠券;息票;[冶金]取样片(coupon的复数) 🧩 词形变化 原形 coupon 📘 English Definition(英文释义) n a negotiable certificate that can be detached and redeemed as neededn a test sample of some substance ← couponing C 字母词表 coupons payable →