tf是什么缩写
tf是教学重点Teaching focus的缩写。
teachingn.教学;授课;指导;教导;
focusn.中心点(指人或事物);(眼睛或镜头的)焦距,调焦
She should do well in her studies this year ─ she\'s very focused.
今年她的功课应该学得好,她的注意力很集中。
Each exercise focuses on a different grammar point.
每个练习各有不同的语法重点。
She\'s built up a good stock of teaching materials over the years.
这些年来她积累了大量教学资料。