The factory conducted blood tests and dismissed those whose lead levels were elevated.
工厂对工人验血，辞掉那些血铅含量超标的人。
One study concluded they had slightly elevated lead levels in their blood, though it was unclear whether that was significant, Oddone said.
Oddone说，一项研究得出结论，他们在他们的血液铅含量略有升高，但目前还不清楚是否是显着。
One study concluded they had slightly elevated lead levels in their blood, though it was unclear whether that was significant, Oddone said.
Oddone说，一项研究得出结论，他们在他们的血液铅含量略有升高，但目前还不清楚是否是显着。
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