袩芯褋谢械写薪懈械 写芯斜邪胁谢械薪薪褘械 胁懈写械芯:
讬爪讬专转-讞砖诪诇-住讟讟讬
-
5 years ago
15242 5 years ago 5:11讞砖诪诇 住讟讟讬
-
10 years ago
3222418 10 years ago 3:39讛诪讚注 砖诇 讞砖诪诇 住讟讟讬 - 讗谞讜专讚讛 讘讛讙讜讜讗讟
-
4 years ago
922 4 years ago 1:15谞讬住讜讬 讞砖诪诇 住讟讟讬 讜诪讬诐 | 讞砖诪诇 住讟讟讬 讜驻诇驻诇 | 砖讘讜注 讛诪讚注 -- 讘讬"住 讗驻讬拽讬诐 讘谞讙讘
-
9 years ago
2368 9 years ago 11:45讞砖诪诇 住讟讟讬
-
13 years ago
49947 13 years ago 1:46讗讬讱 诇讛讝讬讝 讝专诐 诪讬诐 讘讗诪爪注讜转 讞砖诪诇 住讟讟讬?
-
16 years ago
602489 16 years ago 2:36Static Electricity Fun with Science Bob
-
7 years ago
59 7 years ago 4:09谞讟专讜诇 讞砖诪诇 住讟讟讬
-
4 years ago
3525 4 years ago 2:26谞讬住讜讬讬诐 诪讚注讬讬诐 诇讬诇讚讬诐 注诐 讟诇 讜讗讘讬讘 鈿★笍 谞讬住讜讬 讞砖诪诇 住讟讟讬 讘拽讬讚住 讝讜谉
-
7 years ago
230316 7 years ago 2:01The Science Behind Static Electricity | The Kurious Kid | Science Experiment
-
11 years ago
425625 11 years ago 1:14Static Electricity and the Balloon
-
5 years ago
183 5 years ago 4:37讞砖诪诇 住讟讟讬 讘讞讜专祝 - 驻讗讜诇讛 讜诇讬讗讜谉 诪讗专讞讬诐 讗转 诪讚注谉 谞讜诇讚
-
13 years ago
2281 13 years ago 1:13讞砖诪诇 讗诇拽讟专讜住讟讟讬
-
8 years ago
1087 8 years ago 3:14讛拽爪专爪专讬诐 砖诇 专诐 讞砖诪诇 谞讬住讜讬 讛砖专讗讛 讗诇拽讟专讜住讟讟讬转