The teacher in this lesson was trying to explain difficult issues concerning the male and female reproductive organs, and unfortunately everything he talked about and drew of these horrors on the board was already known by just about everyone.
El profesor de esta lección trataba de explicar temas complicados relacionados a los órganos genitales masculinos y femeninos, y desafortunadamente todo lo que hablaba y dibujaba sobre estos horrores en la pizarra eran conocidos por prácticamente todos.