1. He left a sapphire ring to her.
    他留给她一枚蓝宝石戒指。

1. 蓝宝石的：传统意义上的蓝宝石的(Sapphire)矿物学名称为刚玉,化学成分为Al2O3,一般是靛蓝、蓝、浅蓝乃至绿、灰蓝等. 广义的蓝宝石是指除红宝石(Ruby)以外的所有宝石级的刚玉. 狭义上的蓝宝石则专指呈现蓝色的透明且杂质较少并不影响石质的宝石级刚玉.

2. 蓝宝石 刚玉：3.蓝宝石-刚玉(Sapphire) 成分:氧化铝 硬度:9 比重:4.00 折射率:1.76-1.77 双折射:0.008 所有具有宝石特性的非红色刚玉,都称为蓝宝石. 由於铁和 钛质所造颜色上的变化,展现多种色调,但最珍贵的是清澈的深 蓝色.

1. 蓝宝石
    A sapphire is a precious stone which is blue in colour.

    e.g. ...a sapphire engagement ring.
           一枚镶着蓝宝石的订婚戒指

2. 宝石蓝色;天蓝色;深蓝色
    Something that is sapphire is bright blue in colour.

公共查询·英语单词

    e.g. ...white snow and sapphire skies.
           皑皑白雪和湛蓝的天空

1. a light shade of blue

    Synonym: azureceruleanlazulinesky-blue

2. a transparent piece of sapphire that has been cut and polished and is valued as a precious gem

3. a precious transparent stone of rich blue corundum valued as a gemstone

1. of something having the color of a blue sapphire

    e.g. sapphire eyes