1
- an unpowered vehicle towed by another, in particular（无驱动力的）拖车, 尤指：
1.1
- the rear section of an articulated lorry（铰接式卡车的）载货挂车。
1.2
- an open cart无篷大车。
1.3
- a platform for transporting a boat运船平底驳船。
1.4
- US a caravan〈美〉旅行拖车, 活动房屋。
2
- an extract or series of extracts from a film or programme used to advertise it in advance（电影等的）预告片, 预告节目。
3
- a thing that trails, especially a trailing plant拖尾物, 蔓生物（尤指蔓生植物）。
with obj.
1
- advertise (a film or programme) in advance by broadcasting extracts or details预告（电影, 节目）。
2
- transport (something) by trailer用拖车运输。