Steel workers in Louisiana began building the nearly 70-ton cap in the days after the leak was discovered at the site of a damaged well that had been connected to an oil rig.
在发现漏油几天后，路易斯安那州的钢铁工人开始建造这个近70吨重的钢盖。漏油发生在和钻井平台相连接的一个受到损害的油井。
If you can't observe in the shade of trees or walls, you might rig a tarpaulin to shield your site.
如果你无法在树或墙的影子下观测，你可以用防水布搭建一个观测场。
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