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quantity
指可以计数或测量的具体数量,通常用于可数名词或可测量的事物
amount
指总量或总额,通常用于不可数名词或抽象概念
Word | 适用对象 | 使用场景 | 搭配特点 |
---|---|---|---|
quantity | 可数名词或可测量的事物 | 具体物品的数量统计 | 常与具体物品搭配 |
amount | 不可数名词或抽象概念 | 物质总量或抽象数量 | 常与物质、金钱、时间等搭配 |
❌ There is a large quantity of water in the bottle.
✅ There is a large amount of water in the bottle.(水量用amount)
❌ The amount of students in the class is 30.
✅ The quantity/number of students in the class is 30.(可数名词用quantity或number)