light-hearted的例句（light-hearted在句子中的用法）

• It's a must in the bag of any minimalist, ultra - light, traveler. 对于任何极简 、 超轻旅行者来说, 这是必备的.
• There is only a pinpoint of light in the cave. 山洞中只能见到一丝光线.
• Einstein's new theory on optics changed classical scientific ideas about light. 爱因斯坦新的光学理论改变了人们对光的传统科学概念.
• When held to the light the small oblong leaves are seen to possess tiny perforations. 迎着光看时，就会发现椭圆形小叶子上有微小的孔眼。
• a 60-watt light bulb 60瓦的电灯泡
• He depicted the town's respectable families in an unflattering light. 他在描述镇上体面人家时满是贬抑之词。
• A light pointer is often useful with a slide projector. 光指示器经常与幻灯片放映机一起使用.
• A spectrum is formed by a ray of light passing through a prism. 一束光通过棱镜就会形成光谱。
• Light is refracted when passed through a prism. 光通过棱镜时产生折射。
• Light kernels may be removed by a pneumatic or air seperator. 轻的籽粒可以通过空气动力,即气流分选机清理出来.
• This kind of mixer produces light, silky, even-textured batters. 这种搅拌机能搅拌出稀薄、柔滑、质地均匀的面糊。
• It is completely waterproof, yet light and comfortable. 它防水性能非常好，但却轻巧舒适。
• Einstein's theory links energy with mass and velocity of light. 爱因斯坦的理论把能量同质量和光速联系起来.
• the velocity of light 光速
• The priest's eyes were squeezed shut against the light. 牧师紧闭双眼，以避开强光。
• Her hand was just visible by the light from the sitting room. 借着起居室的灯光，勉强能看见她的手。
• The photochemical reactions transform the light into electrical impulses. 光化学反应使光变为电脉冲。
• Secrets of Stonehenge casts a light on ancient technology. 《巨石的秘密》使我们对古代科技有更进一步的了解.
• The spaceman flew through the galaxy at the speed of light. 太空人以光速穿越银河系.
• According to the theory of relativity, nothing can travel faster than light. 根据相对论，任何东西都无法超越光速。