来自拉丁语 rotare,旋转 ，转动，来自 PIE*ret,旋转，转动，词源同 round,roll,rotary.

1. With a low-pitched rumbling noise, the propeller began to rotate.

伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。

2. Rotate the head clockwise and counterclockwise.

按顺时针方向转动头部，然后再逆时针旋转。

3. Rotate the shoulders in their sockets five times.

让肩膀绕臼部转动5次。

4. Stay well away from the helicopter when its blades start to rotate.

直升机的螺旋桨开始转动时，尽量离远点儿。

5. The doctor asked the patient to rotate his eyes.

医生叫病人转动一下眼球.