纪念币的英文：
commemorative coins

参考例句：

I really want to collect luxury-gold-colored 5-yuan commemorative coins.
我很想收藏土豪金的五元纪念币。

Did you queue up to buy luxury-gold-colored 5-yuan commemorative coins this morning?
你今儿早上排队买土豪金的五元纪念币了吗？

commemorative是什么意思：
adj. 纪念的

A monument was built to commemorate the victory.
为了纪念胜利，建造了一座纪念碑。

A plaque commemorates the battle.
用一块饰板来纪念那次战役。

The UST quadricentennial celebration is a great commemoration.
圣托马斯大学四百周年纪念日是一个盛大的庆典。

A commemorative medal was struck in honour of the event.
为纪念这次活动铸造了一枚纪念章。

The Royal Mint will strike a commemorative gold coin.
英国皇家造币厂将铸造一种纪念金币.。

coins是什么意思：
n. 硬币；金属货币
v. 制造硬币；创造

This coin will not pass.
这钱币不通用。

Reverse the coin.
把那枚硬币翻过来。

coin a sentence
创造句子

The government has decided to coin more 50-penny coins.
政府决定铸造更多的五十便士硬币。

He tossed the beggar a coin [tossed a coin to the beggar].
他给乞丐扔了个硬币。