利用光线投射物品形象 Forming a Representation of an Item With Light
利用高非线性光纤 high-nonlinearity optical fiber
它们在夜间捕食，不能利用光线帮忙找到猎物和躲避障碍物。
They hunt at night, and cannot use light to help them find prey and avoid obstacles.
记住，多尝试几种方法，好好利用光线。
Remember to try many different ways to take advantage of the light you are given.
但如果摄影师肯动脑子，利用光线可以拍出神奇的画面。
But if the photographer is thoughtful about how to use the light, magical images can be made.
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