disappearance
noun
ˌdɪsəˈpɪərəns
noun
1
when
someone
or
something
becomes
impossible
to
see
or
find
消失，失踪
Police
are
investigating
the
woman’s
disappearance.
警方正在调查这名女子的失踪案。
2
when
something
stops
existing
消失;
the
disappearance
of
ancient
forests
古森林的消失