expiratory

expiratory的音标是["ɪkspɪəstreɪtɪ]，基本意思是“呼气”的。在记忆这个单词的时候，可以尝试使用词根记忆法，其中ex-表示“出去”，-piratory是后缀，表示与呼吸相关的，组合起来就是呼气的。

英文词源：

expiratory: 源自拉丁语“exspirare”，意为“呼出”。

变化形式：

过去式：exspirated。

过去分词：exspirated。

现在分词：exspirating。

相关单词：

1. expiration - 终止，到期，由“呼出”和“终止”构成。表示期限的终止，通常指正式的期限，如租约或许可证的到期。

2. expiration date - 到期日期，指的是某个物品或服务的有效期限。

3. expire - 耗尽，用尽，通常指某物因时间或条件而消失或失效。

4. exhale - 呼出，使呼出，通常指将空气从体内排出。

5. expiratory phase - 呼气期，指的是呼吸过程中的一个阶段，在此阶段肺部和呼吸道的气体交换达到最大值。

6. expiratory muscle - 呼气肌肉，指的是参与呼吸运动的肌肉群，如膈肌和肋间外肌。

7. expiratory pressure - 呼气压力，指的是在呼气过程中测量的肺内压力变化。

8. expirology - 呼气科学，是一门研究呼吸过程的科学。

9. expirous - 呼气的，由“呼出”和“有能力的”构成，通常指能够呼出的特性或状态。

10. expiratory flow rate - 呼气流速，指的是单位时间内从肺部排出的气体量。

常用短语：

1. expiratory phase

2. expiratory muscle

3. expiratory resistance

4. expiratory flow rate

5. expiratory pressure

6. expiratory time

7. expiratory flow-volume loop

例句：

1. The lungs expand during inspiration and contract during expiration.

2. The expiratory muscle strength of the patient is weak.

3. The expiratory resistance of the respiratory system is high.

4. The expiratory flow rate of the patient has decreased significantly.

5. The patient"s expiratory pressure is low and the expiratory time is short.

6. The patient"s expiratory flow-volume loop shows a reduced volume and increased resistance.

7. During exercise, the respiratory system works harder, with increased workloads on the inspiratory and expiratory muscles.

英文小作文：

Respiration is a crucial process for maintaining life, as it ensures the supply of oxygen to the body and removal of carbon dioxide. Expiration, the process of drawing air out of the lungs, is particularly important as it helps to ensure a smooth transition between inhalation and inspiration, preventing air from being trapped in the lungs.

The strength of the expiratory muscles, along with the resistance of the airways and lungs, all play a role in determining how effectively we can breathe out. In some cases, diseases or conditions can affect these factors, leading to difficulties in expiration and a reduced quality of life. Understanding these aspects of respiratory function is essential for maintaining good health and well-being.