He found a gold coin on the beach.

他在沙滩上发现了一枚金币。

This gold coin was left to him by his grandfather.

这枚金币是他祖父留给他的。

This ancient gold coin is a priceless treasure.

这块古老的金币是一件无价的宝物。

The little girl put the gold coin into her piggy bank.

小女孩把金币放进了储蓄罐。

Meanwhile, Krivoy discovered that the gold coin was very rare.

与此同时，Krivoy发现金币非常罕见。

You can buy gold coin on the black market.

你能从黑市上买到金币。

This is worth much more than that gold coin.

不过这比那个金币值钱多了。

The rich woman has a gold coin in her purse.

那个有钱女人的手袋里有金币.

This paper makes a textual study on this gold coin.

本文对此金币作一简单考证。

Pinocchio knew he had a gold coin. He was lying.

皮诺奇知道自己身上还有一枚金币，因此是在说谎。