tortuously

adverb [程度副词]弯曲地；欺骗地；居心叵测地；转弯抹角地

Like a meandering emerald jade belt, Kanas River entwines tortuously among the mountains and stretches freely on the grassland.
喀纳斯河，就好像是一条蜿蜒的翠绿色玉带，或曲折地缠绕在山岭间，或随意地舒展在草地上。