triplicate
noun
ˈtrɪplɪəkɪət
noun
1
in triplicate
if
a
document
is
in
triplicate,
there
are
three
copies
of
it
〔文件的〕一式三份;
Is
it
really
necessary
to
complete
the
forms
in
triplicate?
这些表格真有必要填写一式三份吗？