单词 lastful 释义 † lastful, a. Obs. rare.Also 1 ᵹelstful.[f. OE. ᵹe-lst duty + -ful.]Helpful, serviceable.c1000Laws of thelstan vi. c. 4 (Schmid) 160 t lc man wre orum ᵹelastfull.c1200Trin. Coll. Hom. 183 u ware me lastful on alle o e ich wolde we w...