Question

be good at和be good in可以互换吗？

Answer 1

be
good
at擅长
you
had
to
be
good
at
math
be
good
in
在某方面出色，有效果
The
method
was
proved
to
be
good
in
reproducibility
and
of
low
detection
limit.
两者意思不同，不可互换

Answer 2

意思有所区别，不能换：
be
good
at擅长
you
had
to
be
good
at
math
be
good
in
在某方面出色，有效果
The
method
was
proved
to
be
good
in
reproducibility
and
of
low
detection
limit.