intertwine
verb [ I or T ] uk/ˌɪn.təˈtwaɪn/ us/ˌɪn.t̬ɚˈtwaɪn/
（使）缠结，（使）缠绕在一起;（使）紧密关联
to twist or be twisted together, or to be connected so as to be difficult to separate
The town's prosperity is inextricably intertwined with the fortunes of the factory. 这座城镇的繁荣与这家工厂的兴盛有着密不可分的联系。
The trees' branches intertwined to form a dark roof over the path. 树枝在小路上方交错成荫。