Buccal have purplish blue stain.
颊部有紫蓝色斑点。
A blue or purplish color, especially when your feet are hanging down, and having cold feet are also signs of circulation problems.
脚呈现蓝色或者紫色的颜色，尤其是当你的脚正在悬空的时候，或者脚很容易冰凉也是循环不好的体现。
A European seashore plant (Eryngium maritimum) having prickly, fleshy, bluish leaves and heads of blue or purplish flowers.
一种（海滨刺芹） 的欧洲海岸植物，生有带刺有肉的蓝叶，开蓝色或紫色的花头。
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