be proportional to的意思|示意
与……成比例
be proportional to的用法详解
英语单词be proportional to的用法讲解
be proportional to是一个短语，意思是“与…成比例”，表示两者之间存在着某种程度的相关性。它主要用来指出两件事物之间的关系，或者某件事物发生的程度与另一件事物发生程度是一致的。
例如：
The price of a product is proportional to its quality.
某个产品的价格与其质量成比例。
The temperature of the water is proportional to its depth.
水的温度与水的深度成比例。
The size of the triangles is proportional to the magnitude of their angles.
三角形的大小与角度的大小成比例。
The amount of rain was proportional to the amount of humidity in the air.
降雨量与空气湿度成比例。
另外，be proportional to这个短语也可以用来形容一个人的技能或行为的程度，表达某个人的能力或行为是有限的，做事得当，以及能达到预期的效果。
例如：
He was hired because his skills and experience were proportional to the job.
他被雇用是因为他的技能和经验与这份工作相当。
The reward for doing the job is proportional to the amount of work you put in.
完成这份工作的报酬与你付出的努力成比例。
Her knowledge on the subject is proportional to her interests.
她对这个主题的知识与她的兴趣程度成比例。
be proportional to相关短语
1、 be inversely proportional to 成反比,成反比例,反比例
2、 Be directly proportional to 成正比,成正比例,与,正比于
3、 be direct proportional to 成正比
4、 be inverse proportional to 成反比
be proportional to相关例句
What you take out of a commons has to be proportional to what you put in.
你从“公地”获得的好处应该和你对“公地”的贡献成比例.
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Payment will be proportional to the amount of work done.
酬金将与工作量成比例.
辞典例句
Weight should be proportional to height.
重量应该是比例与高度.
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The amount of scattering will thus be proportional to the number of electrons.
于是散射辅射的量将与电子数成正比.
辞典例句
The output should be proportional to the input.
输出应当与输入成比例.
《简明英汉词典》
The punishment ought to be proportional to the crime.
刑罚应当与罪行相当.
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