单词	syncline
释义	syn·cline \ˈsinˌklīn, ˈsiŋˌk-\ noun (-s) Etymology: back-formation from synclinal (I) : a trough of stratified rock in which the beds dip toward each other from either side — compare anticline [cross section of strata showing syncline]
随便看	tiger snake tiger's-tail spruce tiger swallowtail tigertail tigertail spruce tigerware tiger weasel tiger wolf tigerwood tigged tigging tight tight tight-assed tight back tight backbone tight-cut tighten tighten tight end tightener tightening tightening pulley tighten one's belt tighter

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