To recite fluently and usually at length
熟练地、一口气地背出
reeled off a long list of names and dates.
一口气背出一长串名称和时间
say or recite something very rapidly and without apparent effort
一口气说出；滔滔不绝背出
she proceeded to reel off in rapid Italian the various dishes of the day.
他接着用意大利语快速报出这天的各种各样菜肴。