单词	holdfast
释义	holdfast noun hold·​fast ˈhōl(d)-ˌfast  1 : something to which something else may be firmly secured 2 a : a part by which a plant clings to a flat surface b : an organ by which a parasitic animal attaches itself to its host Example Sentences Recent Examples on the Web Trilobites would scuttle across the ocean floor past primitive sea anemones gripping the bottom with their fleshy holdfasts. Michael Greshko, National Geographic, 21 Mar. 2019 State rules required cutters to trim above the lowest branches and no closer than 40 centimeters from the holdfast—the sturdy foot with which rockweed grips the shore—to allow the plants to regrow after each haircut. Ben Goldfarb, Smithsonian, 31 May 2018 The vine also produces holdfasts, and is consequently an excellent tree climber, growing aggressively upward, eventually strangling its host. Dave Taft, New York Times, 20 Jan. 2017 Word History First Known Use 1566, in the meaning defined at sense 1 Medical Definition holdfast noun hold·​fast ˈhōl(d)-ˌfast  : an organ by which a parasitic animal (as a tapeworm) attaches itself to its host
随便看	imperial moth imperial pigeon imperial preference imperial purple imperial red imperial roof imperial scarlet Imperial State Crown imperial stone imperial tea Imperial Valley imperial woodpecker imperial yellow imperialise imperialised imperialises imperialising imperialism imperialisms imperialist imperialistic imperialistically imperialists imperialities imperialization

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。