backwater
noun [ C ] uk/ˈbæk.wɔː.tər/ us/ˈbæk.wɑː.t̬ɚ/
回水，滞水
a part of a river where the water does not flow
We tied the boat up in a quiet backwater overnight. 我们在一个静寂的回水处把船系好过夜。
disapproving死气沉沉的地方;闭塞的地方
a place that does not change because it is not influenced by new ideas or events that happen in other places
He grew up in a rural backwater. 他在闭塞落后的乡村长大。
Compare: jerkwater