单词 hopper 释义 ▪ I. hopper1|hp(r)|[f. hop v.1 + -er1. OE. type *hoppere, implied in the feminine hoppestre.Sense 3 is naturally accounted for; but the origin of sense 5 is not clear, unless derived from resemblance to the mill-hopper, which is not fav...
单词 hopper 释义 hopper n (a) V-shaped structure for holding (esp) grain or coal, with an opening at its base through which the contents can pass into a mill, furnace, etc below (碾磨机、 熔炉等的)漏斗, 送料斗. (b) any similar device for feeding materi...