The device that imaged the dust speck is called an atomic force microscope, which maps the shape of particles in three dimensions by scanning them with a sharp tip at the end of a spring.
拍摄这个尘埃的设备称为原子力显微镜，通过用弹簧末端上的一个细尖扫描尘埃来绘制这个颗粒的三维形状。
When the microscope's sharp tip applied a positive voltage to the material's surface, it drew conducting lines that exist in the space between the oxide layers.
当显微镜的尖端把正电压施加到材料表面时，它就在氧化层之间的空白处画出了导线。
Photo Tip: If you use a tripod and a very slow shutter speed to shoot a moving subject, you can get a dramatic contrast between sharp and blurred detail.
拍照小技巧：如果用上三角架，然后放慢快门速度来拍摄移动的对象，你可以的到一张有强烈对比的照片，有清晰的部分，又有模糊掉的细节。
Having a tip that's sharp or full of pencil fragments can tear the delicate rim of the eyes or expose you to harmful bacteria, causing a potential eye infection.
如果笔尖太锋利或粘着很多铅笔渣的话会伤害你柔嫩的眼睛，或可能使眼睛接触有害细菌造成眼部感染。
The king suggested that Laertes should use a sharp sword with poison on the tip of it.
国王建议莱尔提斯使用一把尖端涂有剧毒的利剑。
Carefully tip the marshmallow out on to the prepared board and cut into squares, using a sharp knife.
小心地倒出棉花糖，放在准备好的台面上，用刀切成块状。
The sharp-edged triangle poking out of the flat ocean was in fact the tip of a shipwreck.
在海平面上突出的锐角三角形实际上是一条渔船。
When anthropologists dig in the earth and find a triangular piece of sharp flint, they conclude that it must have been designed by someone to be the tip of an arrow.
当人类教家挖挖除夜天并找迪苹块三角形的燧石的时间，他们给出结论嗣魅阿谁工具必定是经过某人设念雍么做为箭体的末了箭徒暴的。
When anthropologists dig in the earth and find a triangular piece of sharp flint, they conclude that it must have been designed by someone to be the tip of an arrow.
当人类教家挖挖除夜天并找迪苹块三角形的燧石的时间，他们给出结论嗣魅阿谁工具必定是经过某人设念雍么做为箭体的末了箭徒暴的。
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