单词	paleolith
释义	paleolith noun pa·​leo·​lith ˈpālēəˌlith, ˈpal- plural -s : a Paleolithic implement of unpolished chipped stone Word History Etymology pale- + -lith
随便看	backtracker backtrackers backtracking backtracks backup backup light backup relay backup signal backuper backupest backupper backuppest backups backveld backward backward compatibility backward compatible backward dive backward masking backward pass backward-looking backwardation backwarder backwardest backwardlier

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