名词 n.
1.背脊,背部[C]
Someone patted me on the back.
有人在我背上轻轻地拍了一下.
2.后部[the S][(+of)]
Grandpa and grandma sat in the back of the car.
爷爷和奶奶坐在汽车后排的座位上.
3.后面,背面[the S][(+of)]
4.椅背[the S] [(+of)]
5.(书报等的)末尾[the S][(+of)]
There is an appendix at the back of the book.
该书末尾处有一附录.
6.(足球等的)后卫;后卫球员[C][U]
副词 ad.
1.在原处;回原处
Joan and I walked back to the college.
我和琼步行回到学校.
2.向后;后退地
Please go back three steps.
请退后三步.
3.以前;追溯
A few years back you could see nothing but barren land there.
数年前人们在那儿所能看到的只是荒野.
4.回复;还;往回
5.止住;延缓
形容词 a.[Z]
1.后面的,后部的
He sat in the back seat of the car.
他坐在车子后面的座位上.
2.拖欠的,到期未付的
3.过去的;过期的
I bought some back issues of science magazines yesterday.
昨天我买了几本过期的科学杂志.
4.【语】舌根音的
5.偏僻的
6.向后的
及物动词 vt.
1.使倒退;使后退
She backed her car out of the garage.
她从车库倒车出来.
2.支持;援助;赞助
A lot of my friends backed my plan.
许多朋友支持我的计划.
3.(赛马等)下赌注于;打赌
4.裱褙;给...加衬里[(+with)]
5.背书(支票等)
John backed the check immediately.
约翰立即背书这张支票.
不及物动词 vi.
1.倒退;后退
On seeing the dog,she backed away.
一见到狗,她便向后退去.
2.【海】(风)逆时针转向
