Seemingly invisible spirit of happiness, but also video, it inseparable in the minds of you ride the waves to sail, loaded with happy, bright sail.
精神幸福看似无形，也有影，它形影不离的在你的脑海里扬帆破浪，满载快乐，驶向光明。
Waves of deafening sound come from a steel pipe spiraling over the scaffolding, within which a set of invisible iron balls circulate endlessly around the exhibition space.
一阵阵震耳欲聋的声响冲击着观众的耳膜，声音来源于脚手架支撑的钢管，其中的封闭铁球不停地沿着展厅四周盘旋滚动。
Look out, Harry Potter: researchers have advanced the study of cloaking-rendering objects invisible by forcing light waves to act as if the objects weren't there.
哈利·波特，请注意：研究者们在隐身衣(隐身衣通过对光波的作用，使得物体看起好像来并不存在)方面的研究又有了进展。
Look out, Harry Potter: researchers have advanced the study of cloaking-rendering objects invisible by forcing light waves to act as if the objects weren't there.
哈利·波特，请注意：研究者们在隐身衣(隐身衣通过对光波的作用，使得物体看起好像来并不存在)方面的研究又有了进展。
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