In the worst-case scenario, the fuel can spill out of the containment unit and spread toxic radioactivity through the air and water.

最糟的情况是，燃料会从容器单位中洒出，有毒的辐射会进入空气和水中。

youdao

Half of the core is now uncovered, and the radioactivity of the water in the primary loop is 350 times its normal level.

堆芯的一半都暴露在水面上，主回路中水的辐射水平达到正常标准的350倍。

youdao

When the bubble expands, however, and some of the water evaporates again, some of the radioactivity may return to the bubble.

可是当汽泡膨胀和一部分水又重新汽化时，某些放射性又回到汽泡中去。

youdao

But weekend tests of drinking water found no elevated levels of radioactivity.

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These detectors constantly monitor for signs of trouble and routinely collect air, precipitation, drinking water, and milk samples for analysis of radioactivity.

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Water has been one of the key points of contention over fracking, both because the practice pollutes water with chemicals, salts, and radioactivity and because it consumes lots of H20: up to 13 million gallons to open a single well, according to an administrator on Texas Water Development Board cited by Bloomberg reporter Joe Carroll.

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