当一个光伏阵列被树木或房屋等物体遮挡住时，太阳能电池中会发生电子堆积现象，好似在交通阻塞中的汽车一样，因而电流减弱。

When a PV array is shaded by another object, like a tree or a house, the solar panels get backed up with electrons like cars in a traffic jam, and the current drops.

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一旦斑块堆积，则会损伤并完全阻塞动脉，造成心脏缺血。

Once that plaque builds up, it can rupture and completely block the artery, cutting off the blood supply to your heart.

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动脉阻塞是由于一种叫做斑块的东西长期堆积而造成的。

These arteries become blocked because of a buildup of something called plaque. Plaque may build if.

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