a. 千回百折的, 错综复杂的, 弯曲的

[医] 纡曲的, 弯曲的

[ adj ]
full of twists and turns
<adj.all>
anfractuous cliffs

Anfractuous \An*frac"tu*ous\, a. [L. anfractuosus, fr. anfractus
a turning, a winding, fr. the unused anfringere to wind,
bend; an-, for amb- + fractus, p. p. of frangere to break:
cf. F. anfractueux.]
Winding; full of windings and turnings; sinuous; tortuous;
as, the anfractuous spires of a born. --
{An*frac"tu*ous*ness}, n.