长城像链条一样随着山势的走向在中国北方蜿蜒曲折。

twists and turns along the hill-tops of mountain chains in northern China.

youdao

长城像链条一样随着山势的走向在中国北方蜿蜒曲折。

twists and turns along the hill-tops of mountain chains in northern China.

youdao