burning-glass [光] 点火镜
以上来源于: WordNet
N a convex lens for concentrating the sun's rays into a small area to produce heat or fire 以聚集阳光来发热或点火的凸透镜
He focused the sun's rays on a paper with a burning glass.
他用一面凸透镜把阳光聚焦在纸上。
He focused the sun's rays on the paper with a burning glass.
他用取火镜使太阳光聚集在纸上。
If I focus the rays of sun with a burning glass, even in the coldest days of winter, I can kindle a fire with ease.
如果我用取火镜聚集太阳光，即使在最寒冷的冬天，我也可以轻松燃起火来。
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