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crust
英 [krʌst]
美[krʌst]
- n. 地壳;外壳;面包皮;坚硬外皮
- vi. 结硬皮;结成外壳
- vt. 盖以硬皮;在…上结硬皮
英英释意
- 1. the outer layer of the Earth
- 2. a hard outer layer that covers something
- 3. the trait of being rude and impertinent; inclined to take liberties