One of my earliest memories is sitting on my grandfather's shoulders, waving a flag as our astronauts returned to Hawaii.
我最早的回忆之一，就是我坐在祖父的肩头上，挥舞着小旗子，迎接宇航员们返回夏威夷。
Use this to simulate randomly changing forces on the cloth, such as wind turbulences waving a flag.
用这个来模拟随机大小的力，如随风飘扬的旗帜。
Use this to simulate randomly changing forces on the cloth, such as wind turbulences waving a flag.
用这个来模拟随机大小的力，如随风飘扬的旗帜。
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