A tortuous road is full of bends and twists. 弯弯曲曲的
adjective [原级] 拐弯抹角的;冗长费解的;弯弯曲曲的,曲折的
The only road access is a tortuous mountain route. 惟一的通路是一条弯弯曲曲的山路。
The only road access is a tortuous mountain route. 惟一的通路是一条弯弯曲曲的山路。