tandem /'taendsm; 'taendam/ n bicycle made for two persons to ride on, one behind the other, with pedals for both. 前后雙座腳踏車(chē) (有兩副踏板者) 。 adv (in) ~, (of horses in harness or two persons on a ~ bicycle) one behind the other: (指上了挽具的馬，或騎在雙座腳踏車(chē)上的兩人) 一前一后地; 縱列地： drive/ride in ~. 縱列地駕車(chē) (騎車(chē)) 。