strain是一个名词，意思是压力、负担或者拉紧。它也可以指某种物质的种类或者品种。作为动词，strain指的是用力拉紧或者过度使用，也可以表示尽力做某事。

怎么读（音标）

strain的音标为/streɪn/。

用法

1. 名词用法：

- The constant strain of caring for her sick mother has taken a toll on her health. (照顾生病母亲的不断压力已经对她的健康产生了影响。)

- The strain on the rope was too much and it eventually snapped. (绳子的拉力太大，最终断裂了。)

- This particular strain of bacteria is resistant to most antibiotics. (这种特殊的细菌品种对大多数抗生素都有抵抗力。)

2. 动词用法：

- She strained to lift the heavy box onto the shelf. (她竭尽全力将沉重的箱子举到架子上。)

- He strained his eyes trying to read the small print in the dim light. (他努力在昏暗的光线下阅读小字体。)

- She strained her voice shouting at the concert last night. (昨晚在音乐会上她大声喊叫导致嗓子发炎。)

例句

1. The constant strain of work and family responsibilities can be overwhelming. (工作和家庭责任的持续压力可能会让人不堪重负。)

2. The strain on the bridge was too much and it collapsed under the weight of the heavy truck. (桥上的压力太大，重型卡车的重量导致它坍塌。)

3. This particular strain of virus is highly contagious and has caused a widespread epidemic. (这种特殊的病毒非常具有传染性，已经引发了广泛的流行病。)

4. She strained her muscles while lifting weights at the gym. (在健身房举重时她拉伤了肌肉。)

5. The singer strained her vocal cords during the concert, but still managed to finish the show. (歌手在音乐会上拉伤了声带，但仍然成功完成了演出。)

同义词及用法

1. stress：指生理或心理上的紧张、压力或焦虑。

- The stress of her job was causing health problems.

(她工作的压力导致健康问题。)

- He is under a lot of stress trying to balance work and family life.

(他试图平衡工作和家庭生活，承受着很大的压力。)

2. pressure：指外部施加在某物或某人身上的强制性影响。

- The pressure from his parents to succeed was overwhelming.

(来自父母方面的成功压力让他不堪重负。)

- The pressure of competition can be both motivating and stressful.

(竞争的压力既能激励也可能带来压力。)

3. tension：指紧张或不安的情绪状态。

- There was a lot of tension in the room before the exam.

(考试前室内气氛很紧张。)

- The political tension between the two countries has been ongoing for years.

(两国之间的紧张局势已持续多年。)

编辑总结

strain这个词有多重含义，可以作为名词和动词使用，都与压力、拉紧、过度使用等相关。在日常生活中，我们经常会遇到各种各样的strain，如工作压力、家庭责任、肌肉拉伤等。因此，了解和正确使用这个词对于表达自己的感受和描述事物都非常重要。同时，还可以通过使用同义词来丰富语言表达，使文章更加生动有趣。