例句與造句

1. Usually only a small amount of rudder is needed , especially if a large amount of differential ( more up aileron motion than down motion ) is present
   通常只需要少量的方向舵，尤其是出現(xiàn)大量差速時（上副翼動作多于下副翼動作)
2. It's difficult to find aileron motion in a sentence. 用aileron motion造句挺難的