carbon nanotubes短语⁷⁹⁹⁷⁸⁺⁹ 基本英英例句 含碳纳米管原型carbonnanotube的复数 名词 carbon nanotube: a fullerene molecule having a cylindrical or toroidal shape Carbon nanotubes, which are just billionths of a metre across, seemed the perfect needle. 纳米碳管的直径仅有一米的十亿分之一长，是最理想的金属针。 ecocn