But there is no hard evidence proving that low dose radiation, below 100 millisieverts, is likely to cause cancer.

但没有确实的证据证明少量辐射，低于100毫西韦特，会导致癌症。

youdao

Yet, each year millions of Americans strive for that perfect tan and even spend their hard earned money to purposefully expose themselves to artificial sources of ultraviolet radiation.

然而，每年都有数百万计的美国人为完美的棕色皮肤奋斗，甚至用他们辛苦挣来的钱让他们暴露于人工的紫外线辐射源。

youdao

Peregrine Semiconductor Corp., released a new PE9309 UltraCMOS Prescaler for radiation-hardened (rad-hard) space/satellite, high-performance military and hi-rel commercial infrastructure applications.

美国Peregrine半导体公司近日发布了一款新式PE9309 UltraCMOS预分频器，用于抗辐照的空间/卫星、高性能军事和高能耗商业基础设施应用场合。

youdao

This leisurely rural existence is restful in only the most superficial ways: two members of the family suffer from radiation sickness and have been ordered not to work hard.

NEWYORKER: Black Rain

Bigelow says that in the three most important measures of a space station's viability--volume, ability to take impact and radiation protection--his expandable systems work much better than traditional hard-sided metal habitats.

FORBES: Magazine Article

While Tokyo Electric Power Company (Tepco) has been grappling to bring the crisis under control, it has been hard to predict the extent of damage caused to the plant and also to the surrounding areas because of radiation leaks.

BBC: Japan debt outlook cut to negative on rebuilding costs