lifeboat
noun
ˈlaɪfbəʊt
noun
1
a
boat
that
is
sent
out
to
help
people
who
are
in
danger
at
sea
（海上）救生艇 （船 ）
lifeboat
crew/station/service
2
a
small
boat
carried
by
ships
in
order
to
save
people
if
the
ship
sinks
〔船上备用的〕救生艇