基本解釋[冶金工程技術(shù)]三次軸英漢例句雙語例句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向上有一個三重軸和一個四重軸。three-fold axis更多例句詞組短語短語three -fold symmetry axis 三次對稱軸線three-fold axis更多詞組專業(yè)釋義冶金工程技術(shù)三次軸