WORD BY WORD

crust

英/kɹˈʌst/
美/ˈkɹəst/
01n.

外壳, 坚硬外皮, 面包皮

the outer layer of the Earth; a hard outer layer that covers something; the trait of being rude and impertinent; inclined to take liberties

02v.

盖以硬皮

form a crust or form into a crust

03v.

结硬皮

form a crust or form into a crust