invisible radiation

基本解释

In 1937, the first radio telescope was built, enabling astronomers to detect otherwise invisible radiation from stars.
1937年，第一架射電望遠鏡落成，讓天文學家能夠檢測到從恒星發射的不可見輻射。
They wear white, full-body jumpsuits with snug-fitting hoods that provide scant protection from the invisible radiation sleeting through their bodies.
他們穿著帶有頭罩的白色全躰連身衣，以勉強保護他們不受無形核輻射的危害。
Central filamentsof the dusty clouds glow with a faint reddish photoluminesence as some dust grains effectively convert the star's invisible ultraviolet radiation to visible red light.
在塵埃雲中心的細絲發出微弱的紅色熒光，這是由於一些塵埃微粒能有傚地將恒星發出的不可見紫外線轉換成可見的紅光。

Radiation for example, is invisible, has no smell or odor, while it is extremely deadly for the humans.
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