单词	paleolithic
释义	paleolithicpal‧e‧o‧lith‧ic (also palaeolithic British English, often Paleolithic) /ˌpæliəʊˈlɪθɪk◂, ˌpeɪ- $ ˌpeɪlioʊ-/ adjective Word Origin WORD ORIGINpaleolithic Origin: 1800-1900 paleo- + Greek lithos ‘stone’ Examples EXAMPLES FROM OTHER DICTIONARIES the Paleolithic era relating to the Stone Age (=the period of time thousands of years ago when people used stone tools and weapons):  a paleolithic axe → Neolithic
随便看	airspeed Airstream air strike airstrip air terminal airtight airtime airtime provider air-to-air air traffic control air traffic controller air vice-marshal airwaves airway airworthiness airworthy airy airy fairy aisle aitch ajar Ajax AK aka Akela

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