human hair piece 中文意思是什麼
human hair piece
解釋
假發配發-
We usually think of a piece of glass as a continuous medium, but on a length scale a millionth the thickness of a human hair it ' s not
我們通常會認為玻璃是一種連續的介質,但如果從比一根頭發的精細度還要小一百萬倍的尺度上看就不是這樣了。
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