a amount of 与the amount of 的用法,它们与the number of和a number of的区别、、详细点~

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aamountof与theamountof的用法,它们与thenumberof和anumberof的区别、、详细点~aamountof与theamountof的用法,它们与thenumberof和an

a amount of 与the amount of 的用法,它们与the number of和a number of的区别、、详细点~
a amount of 与the amount of 的用法,它们与the number of和a number of的区别、、详细点~

a amount of 与the amount of 的用法,它们与the number of和a number of的区别、、详细点~
the amount of /the number of指……的数量
an amount of/a number of 指“大量的……”,前者修饰不可数名词,后者修饰可数名词复数.

a amount of +不可名, "大量的..." the amount of +不可名, "..的数量"

the number of+可名复, "...的数目/数量" a number of+可名复," 许多,一些,若干..."

如: The amount of rainfall determines the ...

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a amount of +不可名, "大量的..." the amount of +不可名, "..的数量"

the number of+可名复, "...的数目/数量" a number of+可名复," 许多,一些,若干..."

如: The amount of rainfall determines the quality of the crop.
降雨量决定着收成的好坏.
A billion dollars is a amount of money.
百万美元是一笔庞大的资金.
I visited a number of scientific institutes in Asia.
我访问了亚洲的许多科学协会.
The number of students of this school has shrunk. 这所学校的学生人数在减少.

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