stress & pressure 用法区别？

一、本义是“压”的意思，但用法有细微区别，pressure 应用比较广，都有动词和名词的用法。
1 stress偏向于心理压力，
2 2者都有表达上的强调的意义，但是pressure强调“要求”，stress强调重音
3 pressure 可用于指各种压力的条件下，动作，物理感受，物理的压力等

二、具体意义：

stress:
1 重音， 表达上表示强调，he put the stress on the wrong syllable
2 生活上的困难带来的心理压力 she endured the stresses and strains of life he presided over the economy during the period of the greatest stress and danger

特指：
1 专业名称：心理学上的压力
2 专业名称：物理学上的压力

pressure：
1 一个关于某种要求的声明
2 按压的动作，he use pressure to stop bleeding
3 反抗的力量，pressure of people/government
4 指各种压迫的条件（经济压力下，社会压力下，精神压力下等）

5 物理学上的压力，用帕斯卡PA来衡量，
6 皮肤等感受到的压迫

　　差别不大

　　stress:

　　pressure or tension exerted on a material object

　　压力，重压

　　the distribution of stress is uniform across the bar.

　　杆上压力分布是均衡的。

　　■the degree of this measured in units of force per unit area

　　压强

　　
a state of mental or emotional strain or tension resulting
from adverse or very demanding circumstances

　　精神压力，紧张

　　he's obviously under a lot of stress.

　　显然，他的压力非常大。

　　pressure

　　the continuous physical force exerted on or against an object by something
in contact with it

　　压力;压迫

　　the slight extra pressure he applied to her hand.

　　他往她手上微微多加的压力。

　　■[count noun]the force per unit area exerted by a fluid against a surface
with which it is in contact

　　压力;压强

　　gas can be fed to the turbines at a pressure of around 250 psi.

　　燃气可以约每平方英寸250磅的压强注入燃汽缸。

　　
the use of persuasion, influence, or intimidation to make
someone do something

　　(经劝说、影响或胁迫施加的)压力

　　back-benchers put pressure on the government to provide safeguards.

　　普通议员向政府施压以提供保障措施。

　　[count noun]the many pressures on girls to worry about their looks.

　　让女孩担心长相的诸多压力。

　　■the influence or effect of someone or something

　　影响;影响力

　　oil prices came under some downwards pressure.

　　油价面临下跌的压力。

　　■the feeling of stressful urgency caused by the necessity of doing or
achieving something, especially with limited time

　　压迫感

　　he resigned due to pressure of work.

　　他由于工作压力而辞职。

stress中文是应力，pressure是压力。压力也是一种应力，也称为压应力，但应力有好多种，比如拉应力，电应力等等。