gemstone

['dʒemstəun]

n.经雕琢的宝石
=gem

例句与用法:

A smooth, lustrous, variously colored deposit, chiefly calcium carbonate, formed around a grain of sand or other foreign matter in the shells of certain mollusks and valued as a gem.

珍珠在几种软体动物的贝壳中,围绕着一粒沙子或其他外来物质形成的一种光滑、有色泽、具有不同颜色且主要是碳酸钙的沉积物,被珍视为宝石

The price of this gem is expensive -- as much so as astronomical figures.

这个宝石的价格十分昂贵--简直是个天文数字。

My secretary is an absolute gem.

我的秘书真是个难能可贵的人。

词形变化:

动词过去式: gemmed | 动词过去分词: gemmed | 动词现在分词: gemming | 动词第三人称单数: gems |

详细释义:

n.

(经过切割琢磨后可作珍贵饰物的)宝石