名詞 interstate:

1. one of the system of highways linking major cities in the 48 contiguous states of the United States
   同義詞：interstate highway

形容詞 interstate:

1. involving and relating to the mutual relations of states especially of the United States

in.ter.state

adj.（形容詞）
Involving, existing between, or connecting two or more states.
州際的：包括、存在于，或連續(xù)兩個或多個州的
n.Abbr. I（名詞）縮寫 I
One of a system of highways extending between and connecting the major cities of the 48 contiguous United States.
州際公路：延伸于并連接美國相鄰48個主要城市的高速公路體系