“教材”英文怎么说？

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teaching material
teaching materials;

或者
matters for teaching
teaching material
course book
A course book is a textbook that students and teachers use as the basis of a course.
这个是正解
书面用语应该是course
book：A
course
book
is
a
textbook
that
students
and
teachers
use
as
the
basis
of
a
course.
口语一般说textbook的，记得大学老师上课时会说"Open
your
textbook…"之类的话的。