【dissipate的用法总结大全】“dissipate”是一个英语中较为常见的动词，常用于描述能量、时间、精力或情绪的消耗或散失。虽然它不像“spend”或“waste”那样常见，但在正式或文学性较强的语境中，使用频率较高。本文将从词义、搭配、用法及例句等方面对“dissipate”的用法进行系统总结。
一、基本词义
| 中文释义 | 英文释义 |
| 消耗；浪费 | to use or spend something in a way that is not careful or efficient |
| 散发；消散 | to spread out and disappear |
| 消除；驱散 | to get rid of something, especially a feeling or idea |
二、常用搭配与用法
| 搭配结构 | 用法说明 | 例句 |
| dissipate time | 浪费时间 | He dissipated his youth in idle activities. |
| dissipate energy | 消耗能量 | The athlete dissipated all his energy during the race. |
| dissipate heat | 散热 | The system is designed to dissipate heat quickly. |
| dissipate anger | 驱散愤怒 | She tried to dissipate her anger by going for a run. |
| dissipate a feeling | 消除某种情绪 | He managed to dissipate his fear with some deep breathing. |
| dissipate money | 浪费金钱 | They dissipated their savings on unnecessary purchases. |
三、常见错误与注意事项
1. 注意搭配对象
“dissipate”通常用于抽象或物理性的“消耗”，如时间、能量、热量等，较少用于具体物品（如食物、衣物等）。例如，“dissipate food”是不自然的说法，应使用“eat”或“waste”。
2. 与“waste”的区别
- “waste”更强调“浪费”，常带有负面评价；
- “dissipate”则更偏向于“消耗”或“散失”，有时带有中性甚至积极意味（如“dissipate energy”可能表示有效利用）。
3. 主谓一致
“dissipate”作为动词，第三人称单数形式为“dissipates”，注意时态变化。
四、典型句子举例
| 句子 | 中文解释 |
| He dissipated his wealth in a few years. | 他在几年内就挥霍了全部财富。 |
| The light began to dissipate as the sun set. | 太阳落山后，光线开始消散。 |
| She tried to dissipate her anxiety by talking to a friend. | 她试图通过和朋友交谈来缓解焦虑。 |
| The machine is designed to dissipate excess heat. | 这台机器的设计是为了散发多余的热量。 |
五、总结
“dissipate”在英语中是一个多用途的动词，适用于描述时间、能量、热量、情绪等的消耗或散失。它在正式写作中具有一定的表现力，但使用时需注意搭配对象和语境。掌握其常见搭配和用法，有助于提升语言表达的准确性和多样性。
如果你正在学习英语词汇，建议结合实际语境多加练习，以加深对“dissipate”一词的理解和运用能力。
