将相机对准白色背景，然后用放大镜观察这种现象。
Point the camera at a white background, and observe this phenomenon with a magnifying glass.
白天大家可以搭个帐篷或给他们一个小放大镜去观察虫子和其他什么生物。
During the day, pitch a tent in the yard or give them a small magnifying glass to watch bugs and other creatures.
我必须找到放大镜，再细细地观察。
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