英语热门查询
Samismogdefeatnookamativenesspreposterousbroochsludgingsingularityhorizontaldocumentertapstereagernesstauntfinenessamnestyfeaturethiamingaitercoughpremixedgarbagenecessityecdysismonitoringgrammecuprobreastedstipplebalkbuttockslicejackasstoolshandleoriginatesmackvictoriousintenseattestspeckledfincosubstitutedstranglenourishednutritivecurbbirlingdeterminationcloverleaf
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protraction/
prɔˈtrækʃən
/
1. [Medicine]
拉出，变长；伸展或突出；前突