The same engine powers the wheels and the propellers and there is no wait time at the drawbridge.
The same engine powers the wheels and the propellers and there is no wait time at the drawbridge.
同一个引擎既为（路上行驶时的）车轮提供动力，也为（水上的）螺旋桨提供动力，在吊桥面前不用浪费时间(等它放下)。