您要查找的是不是：
- Wind is invisible. 风是看不见的。
- That comet is invisible to the unaided eye. 那颗彗星只用肉眼是看不到的。
- Air is invisible but we can feel its motion when there is a wind. 空气是看不见的，但有风时，我们能感觉到风的运动。
- The southeastern wind is strong. 东南风很强。
- The wind is in the northwestern direction. 这阵风来自西北方。
- A gust of chilly autumn wind is blowing from the north. 一阵冷飕飕的秋风从北方吹来。
- Extragalactic nebula is invisible to the naked eye. 我们用肉眼是看不到河外星系的。
- Even though air is invisible, air takes up space. 空气虽然看不见，但它占据了空间。
- The force of the wind is measured on a standard scale of 0-12. 风力是按0-12级标准等级测量的。
- Even though air is invisible,air takes up space. 空气虽然看不见，但它占据了空间。
- The real important thing is invisible? 狐狸还说,真正重要的东西,是肉眼看不见的。
- The force of the wind is measured on a standard scale of0-12. 风力是按0－12级标准等级测量的。
- This sort of fighter is invisible to radar. 这种战斗机雷达是侦测不到的。
- A flawless diamond is invisible underwater. 毫无瑕疵的钻石在水中是看不见的。
- The problem is that dark matter is invisible. 问题在于暗物质看不见。
- The scar at canthus after surgery is invisible. 适用于轻中度内眦赘皮矫正。
- For example, air is invisible and of no smell. 例如：空气是无色无味的。
- A man shall hoist sail while the wind is fair. 风好须扬帆。
- It is invisible to the naked eye. 那是肉眼看不见的。
- Clew the mainsail down, the wind is too strong. 拉下主帆，风太大了。
