The live ones would have been green, but in alcohol the yellow pigment is the first to leach, giving them their present turquoise colour.
这种蛇活着时本来是绿色的，但是在酒精中，黄颜色首先被溶解掉了，因而呈现出现在绿松石般的颜色。
2
Round green emeralds were ranged in order upon thin plates of ivory, and in one corner were silk bags filled, some with turquoise-stones and others with beryls.
溜圆碧翠的祖母绿整整齐齐地摆放在薄薄的象牙盘子里，墙角堆着的丝绸袋子里满装着绿松石和绿宝石。
3
The premise pairs imply a hierarchy—if orange is a better choice than turquoise and turquoise is preferred to green, then orange should win over green.