1/rack释义:n. [机] 齿条;架子;拷问台vi. 变形;随风飘;小步跑vt. 折磨;榨取2/rack用法例句:The luggage rack is full of my wife's and my groceries.行李架上放满了我和妻子的杂物。She stopped at a hardware store to buy bungee cords for her new bike rack.她在一个五金店停了一停,给她的新自行车架买弹簧索。