不是。
n. 教师导师This is my teacher Mr. Jones.
这是我的老师Jones先生。
This teacher is worse than our last one!
这个老师比我们上一个老师还差！
She's a very capable teacher.
她是一位能力很强的教师。
He was a failure as a teacher.
他当教师并不成功。
'Be quiet，' said the teacher.
“安静点！”老师说道。
As a teacher， he's a disaster.
他当老师压根儿就不称职。
teacher是集体名词吗
不是。teacher有它的复数形式，直接在后面➕是。集合名词应该是像family. people sheep这种单复数同形的
