单词	a cheerful manner
释义	英華字典資料庫同義詞☞unklugheit
随便看	orthogonal contrasts orthogonal coordinates orthogonal--coordinates orthogonal coordinates system orthogonal--coordinate system orthogonal crystal system orthogonal curvilinear coordinates orthogonal cut orthogonal cutting orthogonal-delayed homodyne orthogonal descriptor orthogonal design orthogonal design of experiment orthogonal dimension orthogonal drawing orthogonal error control orthogonal expansion orthogonal experiment orthogonal experiment design orthogonal extension orthogonal families orthogonal frequency division multiple access orthogonal frequency division multiple access {=ofdma} orthogonal frequency division multiplex orthogonal frequency-division multiplex