《大学英语自学教程》(上册) 第7课
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- 释义:
- n.(法律、道德上的)义务,责任
- 构词:
- oblige迫使,责成+ation行为,过程,结果→n.义务,责任
- 例句:
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Every player is under an obligation to keep the rules.
每个选手都必须遵守这些规则。 换一句 -
It is the obligation of citizens to perform military service.
服兵役是每个公民的义务。 换一句 -
She is under an obligation to her adoptive father.
她有义务赡养她的养父. 换一句
您还可以临摹下单词:
obligation
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- 释义:
- n.集中;专注;浓度;浓缩
- 构词:
- concentrate[v.集中;浓缩]+ion动作或状态→concentration集中;浓缩
- 例句:
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She wrinkled her brows in concentration.
她蹙额皱眉,陷入沉思。 换一句 -
If smoke is going that way,then it means the concentration here should be decreasing.
如果烟雾沿着这个方向飘,这意味着,这里的浓度应该是减少的。 换一句 -
This concentration of airborne firepower wrought havoc with the enemy forces.
这次机载火力的集中攻击给敌军造成很大破坏. 换一句
您还可以临摹下单词:
concentration
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- 释义:
- vi.张开,发展
vt.使膨胀,详述,扩张;
- 构词:
- ex出,出去+pand扩散→v. 扩张;张开, 发展
- 例句:
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The merchant wants to expand his business.
那个商人想扩大他的经营。 换一句 -
We have to expand the size of the image.
我们不得不放大图像的尺寸。 换一句 -
This enabled snakes to widen their jaws and expand the capacity of their mouths.
这使蛇可以张开大口,扩大口腔的容量. 换一句
您还可以临摹下单词:
expand
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- 释义:
- n.中止,停顿,踌躇,休止符
vi.暂停,中止,停顿;
- 例句:
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After a little pause, he went on with his speech.
稍停一会儿后,他又继续讲演。 换一句 -
He made a pause and then went on reading.
他停顿了一下,然后又读下去。 换一句 -
During the long pause which followed , Simon felt his eyelids creeping inexorably downward.
下面的交谈中止了很长时间, Simon觉得自己的眼皮一个劲儿地往下沉. 换一句
您还可以临摹下单词:
pause
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