constrains

constrain的音标为[kənˈstreɪn]，基本翻译为“限制，约束；强迫，强制”。速记技巧为注意其重音位置，重读第一个音节。

"Constrain"这个词的词源可以追溯到拉丁语"constringere"，意为“紧缩”或“约束”。它的主要变化形式是"constraint"，表示“约束”或“限制”。

相关单词：

1. "Constraint"（约束）：这个词在英语中非常常见，表示对某人或某事的限制或约束。例如，“financial constraint”（财政约束）指的是财务上的限制，限制了某人的行动或决策。

2. "Constrained"（受约束的）：这个词是"constrain"的过去式或过去分词，表示被约束或受限制的人或物。例如，“a constrained economy”（受约束的经济）指的是经济受到各种限制。

3. "Constraint"（制约）：这个词可以作为名词和动词使用，表示对某人或某事的限制或制约因素。例如，“environmental constraints”（环境制约）指的是环境因素对人类活动的限制。

4. "Constrict"（收缩）：这个词与"constrain"有相似的含义，表示通过紧缩或压缩来限制或约束某物。例如，“constricted space”（狭窄的空间）指的是空间被压缩，无法自由移动。

5. "Constriction"（收缩）：这个词是"constrict"的名词形式，表示物体由于紧缩或压缩而变小。例如，“a constriction in the river”（河流中的一段收缩）。

总的来说，"constrain"这个词在英语中是一个常用的词汇，它表示对某人或某事的限制或约束，并衍生出了许多相关的词汇和短语。

常用短语：

1. constraints on resources

2. constraints on production

3. economic constraints

4. financial constraints

5. time constraints

6. space constraints

7. resource constraints

双语例句：

1. We are facing financial constraints and need to make some difficult decisions.

2. The factory is operating under time constraints due to tight production deadlines.

3. The limited space constraints our office and makes it difficult to work effectively.

4. Resource constraints are hampering our ability to expand our business.

5. Economic conditions are putting severe financial constraints on many families.

6. We need to find ways to overcome the constraints of production to improve our efficiency.

英文小作文：

Title: The Impact of Constraints

Life is full of constraints, whether it"s financial constraints that limit our ability to pursue our dreams, time constraints that force us to prioritize tasks, or space constraints that make it difficult to work effectively. These constraints can be challenging, but they also provide opportunities for growth and creativity. By overcoming them, we can achieve more than we ever thought possible. However, it"s important to recognize and accept the constraints that we face, as they are a part of life that cannot be escaped. By doing so, we can use them as motivation to push ourselves further and achieve our goals.