词汇精选：contrast的用法和辨析
一、详细释义：
n.
对比，对照
例句：
This is an example of no contrast.
这就是一个没有对比的例子。
例句：
The contrast of white and orange was so beautiful.
白雪和橙黄色的对比是很美丽的。
例句：
She had almost failed the exam, but her younger sister, by [contrast], had done very well.
她考试差点不及格，而她妹妹相比之下考得很好。
差异，差别
例句：
This is a slight contrast to the neatly turned out theatregoers of today.
这相对于现在那些衣着体面的戏迷有着细微的差别。
例句：
They found that the contrast was marked.
结果他们发现差别明显。
对照物；对立面
例句：
The content of the soluble potassium increases by 77% over the contrast after 72hs shaking culture.
在摇瓶培养72小时后，水溶性钾的含量比对照物提高了77%。
【摄】反差
例句：
In addition to this factor of magnification, two other factors, contrast and resolution, are of great importance.
除放大以外，还有两个重要因素，即反差和辨晰。
例句：
This is a television with brighter colours, better contrast, and digital sound.
这是一台颜色更为鲜艳、图像对比度更高、具备数字音响效果的电视。
v.
（使）对比，（形成）对照 [I,T]
例句：
She contrasted the situation then with the present crisis.
她将当时的情况和目前的危机进行对比。
例句：
In this section we contrast four possible broad approaches.
在这个部分，我们将对4种可行的广义方法进行对比。
二、词义辨析：
compare,compare to,compare with,contrast
这些动词(短语)均含“比较”之意。compare侧重比较两个或更多东西的异同优劣，强调相同或类似之处。compare to指两物有类似或相似之处，从而“把(一物)比作(另一物)。”compare with指“把……用……作比较”以便找出差异或好坏。contrast指比较两个或更多东西之间的差异，侧重不同点。
三、相关短语：
contrast medium
造影剂
四、参考例句：
They found that the contrast was marked.
结果他们发现差别明显。
Red makes a beautiful contrast with green.
红色与绿色形成美丽的对比。
Compare and contrast English with Chinese.
把英语和汉语进行比较和对比。
This is an example of no contrast.
这就是一个没有对比的例子。
Black and white show a striking contrast.
黑和白形成明显的对比。
By contrast, intelligence is possibly easier to quantify.
相对而言,智力也许比较容易用数量来衡量。
He bulks large only by contrast with other senators.
他只有和其他参议员相比时才显得突出。
Careful contrast of the two plans shows some key differences.
把这两个计划仔细地加以对比就可以看出一些关键性的差异。
By contrast, the tribes-people retained vitality through their very primitiveness.
相形之下，部落民族由于恪守古风，却一直保持着他们的活力。
By contrast, I am better at thinking indeed.
我不是一个善于表达的人，的确，相比之下，我想我更擅长于思考。
