Far more worrying are several radioactive chemicals released as particles about one-quarter the size of a grain of sand. These include iodine-131, strontium-90 and cesium-137.

更令人担忧的是一些释放出的颗粒状放射性化学物质，这些颗粒仅仅是沙粒大小的四分之一，它们包括碘- 131、锶- 90和铯- 137。

youdao

Unborn children may be exposed to Strontium-90 through drinking water and the diet of the mother.

婴儿在怀孕期间也可能通过母亲的饮食遭受锶- 90的侵袭。

youdao

The radioactive isotope Strontium-90, one of the by-products of the bombs, spread into the atmosphere, fell onto the land, was ingested by dairy cows and passed into the milk supply.

炸弹的副产品之一的放射性同位素锶-90扩散到空中，降落到地面，被奶牛摄取，然后通过牛奶供应传递出去。

youdao

Strontium 90 for instance acts very much like calcium.

FORBES: Uranium Stocks Looking Ugly Post-Fukushima As Short-Interest Rises

From a public health perspective, the most important isotopes are short-lived isotopes of iodine (like Iodine-131), Cesium-137, Strontium-90, and possibly Plutonium-239.

FORBES: Reports Claim Meltdown At Japanese Reactor

It uses two ion exchange processes to remove the radioactive elements Cesium-134 (Cs-134), Cesium-137 (Cs-137) and Strontium-90 (Sr-90) from the seawater.

FORBES: Major Milestones Passed At The Fukushima Daiichi Nuclear Power Plant