我要中间有个圆的石头，但是我也要中间的石头两边有一些长方形的宝石的钻石。
I want a round stone in the centre, but I would also like some baguets on both sides of the centre stone.
这条美艳的艺术项链由正方形和长方形的海蓝宝石制成，是荷兰王室的最爱。
The stunning art deco-style necklace made from a mix of square and rectangular aquamarines is a firm favourite with the Dutch royals.
并从蓝宝石晶体的结晶习性、晶格结构及晶体脆性等方面研究晶体生长方向的选取原则。
The selecting principle of crystalline growth direction was researched from crystal habit, lattice structure and crystal brittleness of sapphire crystal.
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