Everything was covered in that white dust, with giant pieces of metal lying around, and the buildings crushed beneath it.

所有的一切都笼罩在白色的烟尘中，巨大的金属碎片横躺在身边，建筑倒塌在上面。

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Though the heavy metal lead is largely gone from our gasoline and paint, it still lies insidiously below us in the ground and occasionally drifts through the air as dust.

尽管金属铅大部分通过汽油和油漆排放出去了，但任有一部分藏在我们看不见的地下，有时候作为灰尘漂浮在空气中。

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Strict control of coal mines, metal and nonmetal mines, dangerous chemicals, fireworks, explosive dust and other high risk workplace operators.

严格控制煤矿、金属非金属矿山、危险化学品、烟花爆竹、涉爆粉尘等高风险作业场所操作人员数量。

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