a number of 意思:许多 用法:后跟可数名词作主语时要看作复数 例句:a number of pupils are having lunch.
扩展一下,这几个要区别!
the number of .的数目 后跟可数名词做主语时要看作单数 例句:the number of the players is 9.
numbers of 和 a large number of 修饰可数名词
a number of 意思:许多 用法:后跟可数名词作主语时要看作复数 例句:a number of pupils are having lunch.
扩展一下,这几个要区别!
the number of .的数目 后跟可数名词做主语时要看作单数 例句:the number of the players is 9.
numbers of 和 a large number of 修饰可数名词