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- And fivefold, threefold and twofold axes of rotational symmetry. 五重,三重和两重螺旋对称轴。
- The heavy ax was awkward to use. 这把重斧头不好用。
- twofold axis of symmetry 二重对称轴
- twofold axis 二重轴
- The axis of a circle is its diameter. 圆的轴线是其直径。
- The firemen splintered the door with an ax. 消防队员们用斧头将门砸开。
- Does the earth rotate on an axis? 地球是绕轴旋转的吗？
- A wheel revolves round/on its axis. 轮子是绕轴旋转的。
- Their targets were twofold: inflation and unemployment. 他们的目标是双重的:通货膨胀与失业。
- The man cleft a block of wood in two with an ax. 那人用斧头把一块木头劈成两半。
- John got the ax from Mary-they won't see each other again. 约翰被玛丽拒绝了－他们从此不再来往。
- Having or mounted on a common axis. 同轴的有或装上共同轴的
- Characterized by or consisting of two parts or components; twofold. 双重的以两部分或要素为特色的或由之组成的; 两倍的
- Next to or facing the main stem or axis. 近茎轴一侧的紧挨着主茎或轴的，面向主茎或轴的
- The radiative effect of increased cloud is twofold. 云的增加对辐射有两方面的影响。
- The quality or state of being twofold or double. 两重性具有两方面的性质或状态
- The hunter cut off the animal's head with one chop of an ax. 猎人一斧砍下猎物的头。
- The office of a clergyman is twofold. 一个牧师的办公室有两部分。
- He hacked the box apart with the ax. 他用斧头把盒子劈开。
- Her original investment has increased twofold. 她原先的投资已经增加到两倍。
