Marchers waved rainbow flags and danced to samba and techno music in searing heat.

在炎热的天气里，游行者挥着彩虹旗，伴着曲和电子音。

Which combines exercise with samba dancing.

将与运动相结合。

The contagious beats of salsa, samba, and tango have permeated pop, jazz, and dance music.

萨尔萨、和探戈的感染力已经渗透到流行音、爵士和曲中。

It says here that the school that is dancing now is one of the oldest and most prestigious samba schools in Rio.

据说现在正在的学校是里约最古老和最负盛名的森学校之一。