Coin certificate
[经] 兑换券
🧩 词语组成解析
coin
[kɔin]
n. 硬币;金属钱币;[建筑]拐角，墙角石;
vt. 制造硬币;杜撰;创造;
certificate
[sɚ'tɪfɪkət]
n. 证明书;文凭，结业证书;
vt. 发给证明书;用证书证明（或认可）;
cert 搞清 + ifi=fy表动词 + cate表名词 → certify搞清楚=证明+ cate表名词 → 证件
🗣️ 情景例句
He's the sweetest little thing.
他是最可爱的小家伙。
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
After a long period of rain the river may overflow its banks.
久雨这后，河水会泛滥成灾，