n.外壳;坚硬的外壳;面包皮
vt.盖以硬皮
vi.结硬皮
The earth's crust is layered.. 地球的外壳是分层的。
The crust on the snow was thick enough for us to walk on it. 外层的雪已经冻硬,可以在上面行走。
Please cut the bread into slices and remove the crust. 请将面包切片并去除外壳。
The crust of the bread is burnt. 这块面包的外皮烤焦了。
用作及物动词 (vt.)adj.有脆皮的;有硬壳的;顽固的;暴躁的
v.包以外壳(结壳);装饰外层
甲壳类