deficiency
noun
dɪˈfɪʃənsi
noun
1
a
lack
of
something
that
is
necessary
不足，缺乏;
[+
of
]
a
deficiency
of
safe
play
areas
for
children
儿童安全游戏场地的缺乏
iron/vitamin
etc
deficiency
Some
elderly
people
suffer
from
iron
deficiency
in
their
diet.
一些老人日常饮食中缺铁。
2
a
weakness
or
fault
in
something
缺点，毛病
[+
in
]
There
are
deep
deficiencies
in
this
law.
这条法律存在严重的缺陷。