Unit 10 You are supposed to shake hands.1:greet v.迎接，和打招呼 greeting n.打招呼2: relax v.放松relaxation n.放松，安逸relaxed adj.人感到放松的，自在的relaxing adj.让人放松的，轻松的3:mad adj.生气的，疯的madly adv.疯狂地madness n.疯狂，发疯4: north n.北边，北方northern adj.北边的，北方的5: season n.季节seasonal adj.季节性的6: empty adj.空的，空洞的empty v.清空7: basic adj.基本的，基础的base n.基础8: teenager n.青少年teenage adj.青少年的9: behave v.表现，举止behavior n.行为，举止10: except prep.除以外exception n.例外11: gradually adv.逐步地，渐进地gradual adj.渐渐的，日渐的12: suggestion n.建议 suggest v.建议
