sight与sights的区别

sight作为不可数名词时表示“视力、视野、看得见、...”

There was no one in sight.

一个人也看不见。

sights作为可数名词时，有单复数，表示“看见的事物、景象、情景、...”

The museum trys to recreate the sights and sounds of wartime Britain.

博物馆试图再现战时英国的情景。