tandem

• 名词，指两个或多个人或物前后排列的状态，也指供两人骑乘、有两组踏板和两个座位的自行车。

A noun referring to an arrangement of two or more objects or persons positioned one behind another, or a bicycle designed for two riders with two sets of pedals and two seats.

1. Arrangement in sequenceB2formal

   A configuration where two or more objects or people are positioned one behind the other.

   前后排列

   • The horses were harnessed in tandem.
   • The soldiers marched in tandem formation.
   • The two engines were placed in tandem for greater power.

   同义词chaincolumnfilelinequeuesequencesuccession

2. Two-seater bicycleB1formal

   A bicycle designed for two riders, with two sets of pedals and two seats arranged one behind the other.

   双人自行车

   • They rode a tandem along the coastal path.
   • The couple bought a tandem for their weekend trips.
   • Riding a tandem requires good coordination between both cyclists.

   同义词bicycle-built-for-twotandem bicycle