back的具体用法

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 th