| 词汇 | beetle |
| 释义 | beetle noun[ C ] uk /ˈbiː.təl/ us /ˈbiː.t̬əl/ an insect with a hard shell-like back: 甲虫 a black beetle黑甲虫 a deathwatch beetle报死虫 a dung beetle屎壳郎 shellystill/iStocK /Getty Images Plus/GettyImages Insect names anopheles ant aphid beastie bedbug dragonfly dust mite earwig earworm elm bark beetle housefly insect jigger ladybird lepidopterist silverfish sow bug spider mite stick insect swallowtail beetle verb[ I ] UKinformaluk /ˈbiː.təl/ us /ˈbiː.t̬əl/ to go somewhere quickly: 猛冲，急奔，跑 Hoping to miss the traffic jams, she beetled off home at four o'clock.为避开交通拥堵，她4点钟就匆忙赶回家了。 Moving quickly agility belt bob up bowl down/along something cannonball careen gallop gun leg make good timeidiom make hasteidiom make off outrun outrush outsail pelt rush scorch scuttle shoot Beetle noun[ C ] trademarkuk /ˈbiː.təl/ us /ˈbiː.t̬əl/ a brand name for a small car with a rounded front, top, and back, made by the company Volkswagen（大众汽车公司生产的）甲壳虫汽车 Cars 4×4 all-wheel drive artic automobile banger black cab broom wagon classic car crock dragster hardtop Jeep marque Mk motor road racer sport utility vehicle sportily sprint car stocker beetle | American Dictionarybeetle noun[ C ] us/ˈbit̬·əl/ any of various insects with a hard, shell-like back Examples of beetlebeetle Immediately before slugs were introduced, the drip irrigation system was removed as it could have provided an escape route for the slugs or beetles. Granivores were even able to locate seeds from which dung beetles had removed the surrounding faeces. We found an increase in the number of fruits produced when inflorescences were visited by more than one beetle. Attention has focused almost exclusively on adult beetles, probably because their larvae are conspicuously missing from tropical foliage. However, the present authors tentatively conclude that diving beetles may emigrate due to density-dependent effects when their populations reach certain but unknown threshold levels. The availability of alternative prey may have affected the quantities of slug consumed, but clearly did not prevent the beetles from reducing slug populations. Marked similarities are reported between complexes of the natural enemies associated with bark beetles in different parts of the world. The parasitoids rapidly became firmly established and snout beetle populations declined dramatically. The bait areas were large enough for all beetles to occur simultaneously. Fewer beetles attacked infested trees in subsequent years. This served the purpose of identification as well as to approximate the handling given to treatment beetles during ablation of appendages. The use of relatively small baits ensured that competition would have occurred even at low beetle densities. Consider, for example, the bombardier beetle's extraordinary system of defence. The occupancy-abundance relationships established here can be used as guide to estimate beetle densities for decision-making. In the present study, there were several willow stands with relatively low densities of both heteropteran predators and leaf beetles. See all examples of beetle 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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