George runs as fast as he can.,as是什麼意思?

as fast as;
(同...)一樣...;同樣
as---指示副詞
as--->在子句中, 和第一個as相關聯,轉為連接詞conjunc.
及引道子句省略那as
He is as fast as=is fast=fast
George runs as fast as he can
佐治(跟自已能力)跑得(同樣)快

他已盡了吃奶之力去跑..........................