他们知道他们不暴露在高计量的辐射之下是不可能的。
They know it is impossible for them not to have been exposed to lethal doses of radiation.
科学家认为熔岩流之所以具有这么高的辐射率，是因为它们是‘新鲜的’——至少不超过250年至250万年。
The scientists believe that the lava flows have such a high emissivity because they are fresh — no more than 250 years to 2.5 million years old.
不紧急的事情尽量用短信联系，减少一通电话，也就减少了身体处在电磁场辐射中的时间，和电磁场靠近身体的机会。
When possible, communicate via text messaging rather than making a call, to limit the duration of exposure and the proximity to the body.
应用推荐