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单词
public-address systems
释义
public-address systems是public-address system的复数
public-address system
美
英
un.
有线广播系统;机上广播系统;扩音系统
复数:
public-address systems
英英
n.
1.
a
system
of
electrical
equipment
used
for
speaking
or
playing
music
in
a
large
building
or
area
.
The
more
usual
word
is
PA
system
.
例句
释义:
有线广播系统,机上广播系统,扩音系统
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更新时间:2025/10/24 7:14:40