turnbuckle
英式音标：turnbuckle怎么读
美式音标：turnbuckle怎么读
turnbuckle词义
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n. 套筒螺母；螺丝扣
turnbuckle英文词源
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- turnbuckle (n.)
- also turn-buckle, 1703, "catch or fastening for windows and shutters," from turn (v.) + buckle (n.). Meaning "coupling with internal screw threads for connecting metal rods" is attested from 1877.