Answer: Radioactive material falling from the air or carried in rain water or snow, can deposit on the surface of foods like fruits and vegetables or animal feed.

答：从空气中或者通过雨水落下来的放射性物质可以沉积到诸如水果和蔬菜等食物的表面或动物饲料中。

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Tubes within each device pump air bubbles through to support the autotrophs.This also circulates the sewage to feed the bacteria.

设备内的水管使气泡穿过设备，为自养生物提供养分，同时使污水循环，为细菌提供养分。

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Tubes within each device pump air bubbles through to support the autotrophs. This also circulates the sewage to feed the bacteria.

设备内的水管使气泡穿过设备，为自养生物提供养分，同时使污水循环，为细菌提供养分。

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The crew will track the adventurer using the latest GPS equipment and feed him air from an onboard pump.

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They usually provide room for several cars and include a shelter with a fresh-air feed for passengers in case of fire.

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If high speed rail can effectively feed into long haul air networks and take over short haul routes, it won't just connect the dots in Europe but build alliances with airlines as well.

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