时间: 2025-04-26 13:43:31
美: [stren]
英: [streɪn]
n. 张力；拉紧；负担；扭伤；血缘
vi. 拉紧；尽力
vt. 拉紧；滥用；滤去；竭力
n. (Strain)人名；(英)斯特兰
n. （植物、动物的）品种；种类
最后更新时间:2025-04-26 13:43:31
词源分析：Strain源自拉丁语“stringere”，意为“拉紧、束缚”。其词根“strain”表示“拉紧”的动作。现代英语中的不同形式（如“strained”、“straining”等）则是通过添加后缀形成的。
历史背景：该词在14世纪首次进入英语，最早用作拉紧或施加压力的描述。文学作品中，Shakespeare的作品中就有使用该词的例子，体现了它在当时的广泛应用。
课本：在**的英语教材中，尤其是高中和大学的英语教材中，该词常出现在与科学、心理学以及环境等主题相关的文章中。在美国的教材中，通常在生物、物理和社会科学的课程中使用。
正式与非正式语境：
特殊场合：在法律文件中，strain常用于描述法律责任或义务的压力。
The strain of the rope was tested to ensure safety.
（绳子的拉力被测试以确保安全。）
He felt a strain in his back after lifting the heavy box.
（他在搬起重箱子后感到背部有种紧张感。）
Emotional strain can lead to serious health issues.
（情感压力会导致严重的健康问题。）
The strain of modern life can affect mental health.
（现代生活的压力可能影响心理健康。）
We need to reduce the strain on our natural resources.
（我们需要减少对自然资源的压力。）
同义词：
反义词：
选择词根记忆法：
通过上述分析，学*者可以全面理解“strain”这个单词的含义、使用场景和相关词汇。
[N-VAR] If strain is put on an organization or system, it has to do more than it is able to do. 压力
例：The prison service is already under considerable strain.监狱系统已受到很大的压力。
[V-T] To strain something means to make it do more than it is able to do. 使受到压力
例：The volume of scheduled flights is straining the air traffic control system.定期航班的数量使空中交通控制系统受到压力。
[[also N in pl]] Strain is a state of worry and tension caused by a difficult situation. 压力
例：She was tired and under great strain.她疲倦且处于巨大的压力之下。
[N-SING] If you say that a situation is a strain, you mean that it makes you worried and tense. 负担
例：I sometimes find it a strain to be responsible for the mortgage.我有时发现偿还抵押借款是个负担。
[N-UNCOUNT] Strain is a force that pushes, pulls, or stretches something in a way that may damage it. 压力
例：Place your hands under your buttocks to take some of the strain off your back.把双手放在臀部下面，以减轻一些背部压力。
[N-VAR] Strain is an injury to a muscle in your body, caused by using the muscle too much or twisting it. 损伤; 扭伤
例：Avoid muscle strain by warming up with slow jogging.通过慢跑热身避免肌肉损伤。
[V-T] If you strain a muscle, you injure it by using it too much or twisting it. 损伤; 扭伤
例：He strained his back during a practice session.他在一次练习课上扭伤了背部。
[V-T] If you strain to do something, you make a great effort to do it when it is difficult to do. 努力做
例：I had to strain to hear.我不得不努力地听。
[V-T] When you strain food, you separate the liquid part of it from the solid parts. 过滤
例：Strain the stock and put it back into the pan.滤出原汤，然后把它放回平底锅。
[N-COUNT] A strain of a germ, plant, or other organism is a particular type of it. 类型; 品种
例：Every year new strains of influenza develop.每年都有新的流感类型出现。