象牙用英语表示为 "ivory"。它来源于拉丁语 "eboreus"，意为 "非常白的"。

英文例句及其中文翻译：

She wore a necklace made of ivory. 她戴着一条由象牙制成的项链。

The elephant's tusks are made of ivory. 大象的长牙是由象牙制成的。

Many people believe that the trade of ivory should be banned. 许多人认为应该禁止贸易象牙。