1.
필요
[
피료
/
p
i
-
r
yo
]
necessity
2.
필수품
[
필쑤품
/
p
i
l
-
ss
u
-
p
u
m
]
necessity
3.
필요성
[
피료썽
/
p
i
-
r
yo
-
ss
eo
ng
]
necessity
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