intone
verb [ T ] formal uk/ɪnˈtəʊn/ us/ɪnˈtoʊn/
（以平直的语调）缓慢而严肃地说
to say something slowly and seriously in a voice that does not rise or fall much
[ + speech ] "Let us pray," the priest intoned to his congregation. “我们祷告吧。”牧师缓慢而庄重地对会众说道。