| 单词 | hopper |
| 释义 | hopper (once / 2001 pages) 1n 2n 3n 4n A hopper is a funnel-shaped device used to move material from one receptacle to another. This type of hopper has nothing to do with hopping or jumping: it's a device — the kind you're most likely to see in a chemistry lab — for moving substances from one container to another. If you need to pour a large beaker of liquid into a tiny test tube, the hopper lets you move the liquid without spilling. Solid, grain-like substances could also be moved using a hopper. Many factories will have hoppers as part of their machinery too. WORD FAMILYhopper: hoppers+/hop: hopped, hopper, hopping, hops USAGE EXAMPLESLike his mother, Mills became a parent late in life, and his son, Hopper, spent time in the neonatal ward. The New Yorker(Jan 01, 2017) Hopper’s background was in commercial illustration, an occupation that he loathed and that he successfully escaped. Washington Post(Dec 27, 2016) Fletcher, a gruffly masculine presence, resembled a David Mamet salesman trapped in an Edward Hopper painting. Los Angeles Times(Dec 11, 2016) 1 n someone who hops 2at hopscotch, the best hoppers are the children Hyper jumper an athlete who competes at jumping n funnel-shaped receptacle; contents pass by gravity into a receptacle below 3Hyper receptacle a container that is used to put or keep things in 1n terrestrial plant-eating insect with hind legs adapted for leaping Syn|Hypo|Hyper grasshopper acridid, short-horned grasshopper grasshopper with short antennae long-horned grasshopper, tettigoniidgrasshoppers with long threadlike antennae and well-developed stridulating organs on the forewings of the male locustmigratory grasshoppers of warm regions having short antennae katydidlarge green long-horned grasshopper of North America; males produce shrill sounds by rubbing together special organs on the forewings Jerusalem cricket, Stenopelmatus fuscus, sand cricketlarge wingless nocturnal grasshopper that burrows in loose soil along the Pacific coast of the United States orthopteran, orthopteron, orthopterous insect any of various insects having leathery forewings and membranous hind wings and chewing mouthparts 2n a machine used for picking hops 4Syn|Hyper hop-picker machine any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks n (baseball) a hit that travels along the ground Syn|Hypo|Hyper ground ball, groundball, grounder chop, chopper a grounder that bounces high in the air rollera grounder that rolls along the infield hit, hitting, striking the act of contacting one thing with another |
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