基本解释[冶金工程技術]三次軸英汉例句雙語例句A molecule cannot have a three-fold axis and a four-fold axis in the same direction.一個分子不能在同一方曏上有一個三重軸和一個四重軸。three-fold axis更多例句词组短语短語three -fold symmetry axis 三次對稱軸線three-fold axis更多词组专业释义冶金工程技術三次軸