1580s, "hound or huntsman that follows a trail," agent noun from trail (v.). From 1610s as "Something that trails." From 1890 as "vehicle pulled by another;" originally a small carriage drawn along by a bicycle. Meaning "preview of a coming movie" first attested 1928. Trailer park "mobile home community" recorded by 1936. Trailer trash in use by 1986.
实用例句
1. Before driving away, re-check the trailer coupling.
开走之前，再检查一下拖车的挂钩。
来自柯林斯例句
2. A trailer was attached to the rear of the truck.
卡车后面挂了一辆拖车。
来自《权威词典》
3. a car towing a trailer with a boat on it
拖着一辆载有小船的拖车的小汽车
来自《权威词典》
4. to unhitch a trailer
卸掉拖车
来自《权威词典》
5. I watched a trailer for the screenplay of his memoirs.