可是，亚马逊能够压低从照相机到云计算一切商品的价格，这样的能力使之拥有巨大的竞争优势。
But its ability to drive down theprices of everything from cameras to cloud computing gives it a colossalcompetitive advantage.
应罩上照相机的镜头，使之不受到阳光的直射。
The lense of the camera should be screened from direct sunlight.
德维尔强调：“造出能拍摄如此之快的图像的照相机，这项任务和照相机本身都是了不起的成就。”
Making a camera capable of taking such quick images was an achievement in and of itself, Dwyer emphasized.
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