请问两个单词．

通知
inform
give notice
notify
send word
circularize
message

讲座

a course of lectures
cathedra
chair

名词 notice : The notice on the door said that the library
was closed. (门上的通知说图书馆关门了）
lecture: To deliver a lecture or series of lectures.
作演讲或系列演讲

infor
notify

lecture
cathedra

有不会的单词可以去 爱词霸 在线查词