Question

800-meters-long前加冠词吗

Answer 1

这个是个错词：应该是800-metre-long,不能加s,因为这是个形容词.

加不加冠词得看上下文的.

如

There are three 800-metre-long streets in the city.

The 800-metre-long bridge was built last year.

There is an 800-metre-long bridge in our city.