duricrust

/door-i-kruhst, dyoor-/US // ˈdʊər ɪˌkrʌst, ˈdyʊər- //UK // (ˈdjʊərɪˌkrʌst) //

坚硬的外壳,坚韧不拔,坚硬的面包,坚忍不拔

Definitions

n.名词 noun

1
- : a hard crust that forms on or in soil in semiarid climates owing to cementation of soil particles.Compare caliche, hardpan.