caller
noun
ˈkɔːlə
noun
1
someone
making
a
telephone
call
打电话者
‘Could
you
hold
for
one
moment?’
he
asked
the
caller.
“请稍等片刻好吗？”他对打电话的人说。
2
someone
who
visits
your
house
[过时] 到访者，客人
old-fashioned