副翼
The wings have controllable sections known as ailerons. 機(jī)翼上可操縱的部分叫做副翼。
The ailerons are moved in opposite senses to make the plane roll. 副翼向相反的方向轉(zhuǎn)動(dòng)就會(huì)使得飛機(jī)翻滾。
