Eu sou um conferencista na Universidade.
You would say 'John's yesterday lecture' as 'John's yesterday's lecture' would make it an adjective.
Lecture is generally "shiur" (she oor)
Neither one sounds correct in basic English. Instead, one would probably say, "the lecture Jiff gave yesterday," or "yesterday's lecture, which was delivered by Jiff."
Conferencia
Senhoras e senhores <pronounce: señoras e señores>
how do you are rude in Brazil ?
In Brazil, we say: "Por favor". The language of Brazil is portuguese.
Lesson : dars or a lecture u say : mohadaraa
Lesson : dars or a lecture u say : mohadaraa
reading --> la lecture
"Kouwa" is pronounced: KOH-wah.
Typically, I would start a lecture by greeting the audience, providing an overview of the topics to be covered, and setting the context for the discussion.