英语语法分析

Interstate 295 is a 20-mile beltway that bypasses Jacksonville's busy downtown area.

295号州际公路是一条20英里长、绕过了杰克逊维尔的繁华市区的环路。

《柯林斯英汉双解大词典》

This is a Beltway detail of major significance.

在此需要注意一个具有重要意义的细节。

That's right. The effect is not going to be isolated inside the Beltway.

是的，影响不仅是在环城高速内部。