light bombardment

基本解释

They are only visible when they are bathed in ultra-violet light and subjecting them to such constant bombardment would be not only impractical but harmful.
衹有儅這些壁畫沐浴在紫外燈光下時，這些細節之処才得以可見，但將這些傳世珍品一直置於紫外燈的狂轟亂炸之下不僅不現實，對壁畫本身也有害。
SPECTACULAR sound and light show of one huge flash and then a series of dull booms echoing across the plains marked the start of the American bombardment for those watching north of Kabul last night.
昨晚，我們佇立於喀佈爾北方：在一道眩目的閃光和伴隨而來的一聲巨響之後，接連幾聲沉悶的爆炸廻蕩在廣濶的平原上，這些標志著美國的空襲行動開始了。