a diamond + noun
diamond 作定语修饰名词时用单数形式，如 a diamond ring、a diamond necklace，表示“钻石的、镶钻的”。
She wore a diamond necklace to the party.
她戴着一条钻石项链去参加聚会。
钻石；金刚石
diamonds — plural of diamond
菱形；钻戒；钻石戒指；棒球场；棒球内场；浅蓝色；淡蓝色；黑色
a very hard, transparent precious stone, or the substance it is made from, used in jewellery
既可指宝石，也可指矿物本身
一种闪闪发光的玻璃状矿物,是碳的同素异形体,其中每个原子被四个其他原子以四面体形式包围。
A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.
经过切割和抛光并被视为珍贵宝石的透明钻石
a transparent piece of diamond that has been cut and polished and is valued as a precious gem
由这种矿物制成的宝石。
A gemstone made from this mineral.
作为宝石的极硬天然结晶碳
very hard native crystalline carbon valued as a gem
钻石戒指。
A diamond ring.
四边相等的平行四边形；斜角等边平行四边形
a parallelogram with four equal sides; an oblique-angled equilateral parallelogram
一种非常浅的蓝色。
A very pale blue color.
用宝石纹章描绘的黑色
Sable, when blazoning by precious stones.
类似钻石的东西
Something that resembles a diamond.
菱形,尤其是长轴垂直的
A rhombus, especially when oriented so that its longer axis is vertical.
由两个三角形组成的多菱形
A polyiamond consisting of two triangles.
比赛使用的整个场地
The entire field of play used in the game.
棒球场的内场
The infield of a baseball field.
方块花色的纸牌
A card of the diamonds suit.
Her engagement ring has a small diamond in the center.
她的订婚戒指中央镶着一颗小钻石。
用法提示：diamond 在本句作名词，指作为宝石的钻石。
The museum displayed a collection of diamonds from different countries.
博物馆展出了一批来自不同国家的钻石。
用法提示：diamonds 是 diamond 的复数形式，在本句作名词，指多颗钻石宝石。
The jeweler showed us a diamond that sparkled under the light.
珠宝商给我们看了一颗在灯光下闪闪发光的钻石。
用法提示：diamond 在本句作名词，指经过切割和抛光、被视为珍贵宝石的透明钻石。
diamond 作定语修饰名词时用单数形式，如 a diamond ring、a diamond necklace，表示“钻石的、镶钻的”。
She wore a diamond necklace to the party.
她戴着一条钻石项链去参加聚会。
表示菱形这一形状时，diamond 常出现在 in the shape of a diamond、a diamond shape 等结构中。
The garden is laid out in the shape of a diamond.
这个花园被布置成菱形。
在棒球语境中，the diamond 指整个球场，常用 on the diamond 表示“在球场上”。
He is one of the fastest runners on the diamond.
他是球场上跑得最快的球员之一。
grammar · medium
易错句子Diamond is a precious stone.
正确表达A diamond is a precious stone.
英语的可数名词单数不能裸用(不带冠词)作泛指主语,必须加冠词或改用复数。汉语名词没有冠词,所以学习者容易漏掉;泛指一类中的一个应说 a diamond(也可说 The diamond… 或 Diamonds are…)。
grammar · medium
易错句子She wore a diamonds ring.
正确表达She wore a diamond ring.
英语中名词作定语修饰另一名词时通常用单数,不加 -s。汉语“钻石戒指”没有单复数标记,所以容易误加复数;此处应说 a diamond ring。
grammar · medium
易错句子The kite is diamond.
正确表达The kite is diamond-shaped.
diamond 是名词,不能直接作表语形容词。汉语“是菱形的”中的“的”让名词用法像形容词,但英语需用 -shaped 构成复合形容词,故说 diamond-shaped。
钻石戒指
He gave her a diamond ring for their tenth anniversary.
结婚十周年时，他送了她一枚钻石戒指。
钻石项链
She wore a diamond necklace to the award ceremony.
她戴着一条钻石项链去参加颁奖典礼。
钻石矿
The diamond mine employs thousands of workers.
这座钻石矿雇用了数千名工人。
钻石切割
Antwerp has been a centre of diamond cutting for centuries.
安特卫普几个世纪以来一直是钻石切割的中心。
工业金刚石
Industrial diamonds are used to make cutting tools.
工业金刚石被用来制造切割工具。
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