But, neither this plan nor any other will actually test whether the fish anyone buys at a store is loaded with disease-causing bacteria, mercury, or anything else.

但是，无论是这个计划或别的计划都不会实际检测人们在店里买的鱼是否有致病细菌，汞，或其他东西。

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It was to test the effects of mercury on the heart that the two new studies compared the mercury levels in clippings from toenails, where heavy metals tend to be deposited.

脚趾甲是重金属最易于沉积的地方。这两个新课题通过对比脚趾甲中汞的含量的多少，目的在于检测汞对心脏的影响。

youdao

For example, your test system might come from Mercury while your source control system is open source.

举例来说，您的测试系统可能来自Mercury，而您的源控制系统是开源的。

youdao

And while you didn't exactly have to be a rocket scientist to join the original space missions (the U.S. Mercury and Apollo programs recruited many test pilots), if you want to stand a chance against other heavily-qualified applicants, it's certainly an advantage.

CNN: Middle aged spacemen needed for moonshot