单词 haustellum 释义 ‖ haustellum Zool.|hstlm|Pl. -a.[mod.L. dim. of haustrum a machine for drawing water, f. haurre, haust- to draw (water).]The sucking organ or proboscis of an insect or a crustacean.1816Kirby & Sp. Entomol. (1843) I. 233 Species also...