If you have a diamond shaped face, this means that you have a sharp curved forehead and pointy chin.

如果你有一张菱形的脸，这意味着你有棱角分明的额头和尖下巴。

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Also from Propeller Island City Lodge in Berlin, the mirror room is a diamond shaped room lined top to bottom with mirrors giving a kaleidoscope kind of effect.

同样是柏林螺旋桨岛城市别墅里，镜房从底到上是由菱形镜片装饰而成，给人一种万花筒的效果。

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He said: "They have been making chandeliers for hundreds of years in traditional crystal glass, from diamond shaped beads in all shapes to drops, points and other shapes".

他说：“他们用传统的水晶玻璃制作吊灯已经有数百年历史了，制作过各种形状，从钻石形颗粒到水滴形、尖状以及其它形状。”

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When he opened it, I saw a large diamond shaped like a rose.

VOA: special.2009.07.25

Also commanding a powerful price was a 10-carat, D color, internally flawless pear-shaped diamond flanked on either side by a pear-shaped diamond, each weighing approximately 1.02 carats.

FORBES: 48-Carat Diamond Ring Fetches $4.2M at Auction

In addition, a pair of diamond ear pendants brings together a pear-shaped fancy yellow diamond of 52.78 carats and a pear-shaped white diamond of 50.31 carats surmounted by circular-cut fancy yellow and white diamonds Mounted in yellow and white gold, the pendants may be easily swapped or detached completely, giving the owner three options for how to wear them.

FORBES: Big Diamonds Lead Christie's Magnificent Jewels Sale

The trick was to use a diamond-shaped cloak, with properties carefully matched at the diamond's corners, to shuttle light perfectly around a cylinder 7.5cm in diameter and 1cm tall.

BBC: Invisibility cloaking in 'perfect' demonstration