【quantity用法】在英语学习中,“quantity”是一个常见的名词,表示“数量”或“量”。它常用于描述不可数名词的数量,或者用于强调某物的多少。掌握“quantity”的用法对于提高英语表达的准确性非常重要。
以下是对“quantity”常见用法的总结:
一、基本含义
| 词性 | 含义 | 示例 |
| 名词 | 表示“数量”或“量”,多用于不可数名词 | A large quantity of water is needed. |
二、常见搭配与用法
| 搭配 | 用法说明 | 示例 |
| a large/small quantity of | 表示“大量/少量的……” | A small quantity of sugar was left. |
| the quantity of | 表示“……的数量” | The quantity of students in the class is 30. |
| in quantity | 表示“大量地”、“成批地” | These goods are sold in quantity. |
| quantity and quality | 表示“数量和质量” | We need to improve both quantity and quality. |
三、与“amount”的区别
虽然“quantity”和“amount”都可以表示“数量”,但它们的使用对象不同:
| 词汇 | 使用对象 | 示例 |
| quantity | 可数名词 | a large quantity of books |
| amount | 不可数名词 | a large amount of information |
四、常见错误
1. 误用“a quantity of”后面接可数名词
❌ A quantity of people were there.
✅ A number of people were there.
2. 混淆“quantity”和“amount”
❌ He bought a quantity of milk.
✅ He bought a large amount of milk.
五、小结
“quantity”主要用于描述可数名词的数量,常与“a large/small quantity of”搭配使用。它与“amount”有明显区别,需根据所修饰的名词类型选择合适的词。在实际写作中,注意语境和搭配,有助于提升语言的准确性和自然度。
通过以上内容,可以更清晰地理解“quantity”的用法,并避免常见的语法错误。


