rotating antenna的用法和样例：
例句
- So a separate rotating aerial is used for that purpose.
为此需要用一种单独的旋转天线。 - Information is collected through the use of special rotating antennae found on the two strands that form the helix and located where each strand intersects with its four ladders.
通过使用在二条里发现的特别旋转天线收集信息，二条形成螺旋状用它的四个阶梯固定在每条横断面上。
