英语词汇“backswimmer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	backswimmer
释义	WordReference Random House Unabridged Dictionary of American English © 2024 back•swim•mer (bak′swim′ər),USA pronunciation n. Insectsany of numerous predaceous aquatic hemipterous insects, of the family Notonectidae, that swim on their backs, and may inflict a painful bite if handled. Also called boat bug. back¹ + swimmer 1860–65
随便看	anguilliform anguine anguish anguished angular angular acceleration angular diameter angular dispersion angular displacement angular frequency angular house angularity angular leaf spot angularly angular magnification angular measure angular momentum angularness angular velocity angulate angulately angulateness angulation angulous angus

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