求问一个英语语法题T T

问题描述:

求问一个英语语法题T T
The Environmental Protection Agency frequently puts mandatory controls on toxic substances that present as little risk as one chance in a million of causing cancer.中
as 和 as之间为什么可以 用名词 little risk?
这是什么用法 没分了求帮助T T

as little risk as:
as2:好比
as1:那样
如下:
好比One chance in a million 那样 little risk
中文要反过来.
提醒:这是as的特殊用法,不要把它当规则.
比如:As I was saying:像我说的一样.这里as是‘像’.