In front of me was a white plaque affixed to a pole that stood on the sidewalk, with an image of van Gogh's painting, all shades of golden hay, fresh butter and sunlight, under a stippled blue sky.

我面前是一块白色的牌匾，固定在人行道的柱子上，图片上是梵高的画作：各种色调的金黄干草，新鲜的奶油和阳光，在点彩手法绘出的蓝色天空之下。

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Plaque consists of a mix of cholesterol, white blood cells and smooth muscle cells, and as it accumulates, a network of capillaries sprouts from the artery walls to nourish the cells.

栓塞是由胆固醇、白血细胞和平滑的肌肉细胞组成的混合体构成。随着沉积物质的积聚，就会从动脉壁上产生毛细血管网，为细胞提供养分。

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But unfortunately, the scar tissue traps plaque and white blood cells which can form into blockages, blood clots, and hardened, weakened arteries.

但遗憾的是，疤痕组织随之产生斑块和白细胞，进而形成淤块、血凝块，从而使血管硬化、动脉功能减弱。

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Francis applauded, then gave his blessing after Rome's mayor unveiled the simple white stone plaque marking "Giovanni Paul II Square" in a section of the vast piazza, which often hosts free rock concerts and political and labor rallies.

NPR: Francis Honors John Paul II Before Installation

As the rock that tied them all together, it is fitting that his plaque sits upon on a large white rose quartz boulder.

BBC: An American pilgrimage to Concord