闭路电视
Ex:
The
closed-circuit television
system
captured
clear
footage
of
the
intruder
breaking into
the
store
.
闭路电视系统捕捉到了闯入商店的入侵者的清晰画面。
digital camera
[名词]
数码相机
Ex:
Digital cameras
are
popular
for
both
professional
and
personal
use
.
数码相机在专业和个人使用中都很受欢迎。
webcam
[名词]
网络摄像头
Ex:
He
adjusted
the
webcam
settings
to
improve
the
video
quality
before
starting
the
virtual
meeting
.
他在开始虚拟会议之前调整了网络摄像头的设置以提高视频质量。