您要查找的是不是：
- Some stars are invisible to the naked eye. 有些星体肉眼是看不见的。
- He remains invisible when out of spirits. 闷闷不乐时，他不露面。
- The heavy ax was awkward to use. 这把重斧头不好用。
- Germs are invisible to the naked eye. 细菌用肉眼看不见。
- The gun can fire invisible rays. 这枪能发出看不见的射线。
- The mends were almost invisible. 修补过的地方几乎看不出来。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- That comet is invisible to the unaided eye. 那颗彗星只用肉眼是看不到的。
- The firemen splintered the door with an ax. 消防队员们用斧头将门砸开。
- The differences are almost invisible. 这些差别简直难以辨认。
- Does the earth rotate on an axis? 地球是绕轴旋转的吗？
- She was invisible in the dusk of the room. 她在昏暗的房间里别人看不到她。
- A wheel revolves round/on its axis. 轮子是绕轴旋转的。
- 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
- 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
- Invis fade time down to 5 seconds. 隐形减至5秒。
- The hunter cut off the animal's head with one chop of an ax. 猎人一斧砍下猎物的头。
- invisible axis 暗轴
