| 单词 | hopper |
| 释义 | hopper noun[C] uk/ˈhɒp.ər/us/ˈhɑː.pɚ/alargetube,wideat one end, through whichlargeamountsofsmallseparatethings, forexampleseeds, can bemovedfrom onecontainerto another 漏斗 zhanglianxun/iStock/Getty Images Plus/GettyImages Straining & filtering devices
hopper| Business Englishhopper noun[C] PRODUCTIONuk/ˈhɒpər/usalargetube,wideat one end, through whichlargeamountsofgrain,animalfood,coal, etc. aremovedfrom onecontainerto another Examplesofhopperhopper Single-legged hopping robotics research similar results, when the spring-mass type verticalhopperwas controlled with a controller, called periodic forcing controller. From theCambridge English Corpus This strategy regulated thehopperat different hopping heights and was efficient even when hopping over obstacles. From theCambridge English Corpus There is no doubt that the survivors of the 1932hoppercampaign were reverting to the solitary phase in the area. From theCambridge English Corpus The first generation studied were partly composed of stragglers fromhopperbands and flying swarms. From theCambridge English Corpus They ate large numbers of hoppers and scattered the bands, so that no swarms of adults were produced. From theCambridge English Corpus In the northern parts where predators were not so abundant, the bands were nevertheless small, and numbers of green hoppers could be found. From theCambridge English Corpus The mass of pellets required to refill hoppers and the mass of spilt pellets were recorded to calculate food consumption per bird per week. From theCambridge English Corpus This may explain the occurrence of apparently unparasitised hoppers of the pallid type. From theCambridge English Corpus He predicted28 that thehopperwas unstable if the thrust occurred at maximum compression. From theCambridge English Corpus Thishopperincluded a translational offset mass in order to cause the tipping action that helped in forward propulsion. From theCambridge English Corpus They are unanimous in saying that hoppers were far more numerous in 1930 and 1931 than they had ever been before. From theCambridge English Corpus All the hoppers were comatose and none was seen in the act of feeding. From theCambridge English Corpus The observations indicate thathoppercolouring is, at least in some degree, associated with the colouring of the environment. From theCambridge English Corpus In many cases it was observed that pallid hoppers were sluggish and easier to catch than the normal hoppers. From theCambridge English Corpus The figures for many of the species include hoppers. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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