| 单词 | backswimmer |
| 释义 | backswimmer[ bak-swim-er ] / ˈbækˌswɪm ər / nounany 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. Origin of backswimmerFirst recorded in 1860–65; back1 + swimmer Words nearby backswimmerback street, backstretch, backstroke, backstroker, backswept, backswimmer, backswing, backsword, backswordman, back talk, back the wrong horse Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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