金币的英文：
gold
yellow boy

参考例句：

A20 - franc gold coin formerly used in France.
一种法国金币法国以前使用的币值为20法郎的金币

A formerly used British gold coin worth one pound and five pence;a guinea.
基尼从前英国的金币，一基尼值一英镑或五便士

I had, as I hinted before, a parcel of money, as well gold as silver, about thirty six pounds sterling.
前面我曾提到过,我有一包钱币,其中有金币,也有银币,总共大约值三十六金镑。

Monkwords, marybeads jabber on their girdles: roguewords, tough nuggets patter in their pockets
僧侣话，诵《玫瑰经》的念珠在他们的腰带上嘁嘁喳喳;江湖话，硬梆梆的金币在他们的兜里当榔当啷。

Maybe it was the Gold Coin.
也许是“金币”。

It only worths 20 napoleons.
它值20法国金币。

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.。

gold certificate
金币流通券|金券|金证券

I will offer you 250 gold pieces!
我付给你 250 枚金币！

Marigolds give you silver and gold coins.
金盏花能够给你银币和金币。

gold是什么意思：
n. 金子，黄金；金饰品，金币；金色，金黄色；金牌
adj. 金色的；金制的

gold certificate
金币流通券|金券|金证券

This ore assays high in gold.
这矿石经检验证明含金量高。

In its autumn tint of gold.
从它金色，如秋天一般的色彩。

boy是什么意思：
n. 少年，男孩；儿子；男仆；老弟，家伙

A boy was kidnapped.
有个男孩被拐走了。

They are clapping for that boy.
他们在给那个男孩儿鼓掌。

“Boy” is a “noun”.
男孩是个名词。