1. And as any girl scout knows, twigs catch light more readily than branches, so a twiggy sort of plant can catch fire more readily than its non-twiggy sister. 每个女童子军队员都知道，细枝比粗枝更容易聚光，所以细枝多的植物比枝条不那么细的同类姐妹更容易着火。
2. Plants catch light and turn it into an electric current, then use that energy to excite catalysts that split water into hydrogen and oxygen during what is called photosynthesis' light cycle. 植物捕获光线，转换成电流，然后利用这一这能量激活催化剂，然后把水分解成氢和氧，这一过程被称为光合作用的亮循环。
3. At first I didn't catch on, then I suddenly saw the light. 始而不解，继而恍然。
4. As early as the 7th century B.C., people used simple magnifying glasses to concentrate the light of the sun into beams so hot they would cause wood to catch fire. 早在公元前7世纪，人们就利用简单的放大镜将阳光集成一束，利用热量点燃木材。
5. It takes an infrared view to catch the light from these shrouded regions and reveal the earliest stages of star formation. 要用红外光来从这些迷蒙的区域捕捉光并揭示造星的早期阶段。
