optimist[`CptImIst]n.乐天派, 乐观者optimistop.ti.mistAHD:[?p“t…-m1st] D.J.[6%pt*mist]K.K.[6$pt*m!st]n.（名词）One who usually expects a favorable outcome.乐观主义者A believer in philosophical optimism.在哲学上信奉乐观主义的人op”timis“ticadj.（形容词）op”timis“ticallyadv.（副词）optimistpessimist
