講演

(1)to consider or examine in speech or writing; "The author talks about the different aspects of this question"; "The class discussed Dante's `Inferno'"

(2)スピーチまたは文章で熟慮するまたは調査する

(3)deliver a lecture or talk; "She will talk at Rutgers next week"; "Did you ever lecture at Harvard?"

(4)講義をするまたは話す

(1)