To produce a sample proof: Lay the substrate out on a smooth flat surface.
要产生一个样本证明：躺着的基板，光洁平整的表面上。
I hope this is proof enough for most people that Earth is not flat, or at least that it was not flat on May 19th, 2015 when the photo was taken.
我希望这张照片能向大多数人证明地球不是平的；至少地球在2015年5月19日拍照当天不是平的。
Unique storage handle design for easy carriers can be stored in outdoor activities, a variety of foam material, leak-proof design, allowing no room flat on the water bottle!
独特的把手储藏式设计，方便携带者在户外活动时可以储藏各种泡料，防漏的设计，可以让水壶平放于任何空间！
Unique storage handle design for easy carriers can be stored in outdoor activities, a variety of foam material, leak-proof design, allowing no room flat on the water bottle!
独特的把手储藏式设计，方便携带者在户外活动时可以储藏各种泡料，防漏的设计，可以让水壶平放于任何空间！
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