用法:
1 (a) truck or other wheeled container pulled by another vehicle 拖车; 挂车:
They packed the food and camping equipment in the trailer. 他们把食物和野营用具都装上拖车上了.
(b) (esp US) = caravan.

用法:
2 series of short extracts from a film or TV programme, shown in advance to advertise it （电影或电视节目的）预告片.

• forward(well up)
• free from(free of)
• free(freely)
• frequently(often)
• from first to last(through and through)
• from one's heart(in one's heart)
• from one's mind(in one's mind)
• from … through(from … to)
• from … till(from … to)
• from(as from)
• from(in)
• from(of)
• from(out of)
• from(since)
• fruit(fruits)
• full(fully)
• funeral(funereal)
• future(subsequent)
• gain ground(lose ground)
• genial(cogenial)
• get access to(have access to)
• get hold of(lay hold of)
• get in touch with(keep in touch with)
• get into debt(run into debt)
• get into deep water(get into hot water)