单词	switcher
释义	switcher /ˈswɪtʃə / noun 1US A shunting engine.The switcher backs the new caboose on, and the new crew grabs the conductor's work sheets.... On our right as we moved in reverse, we could see various AMTRAK engines, switchers, and Superliner equipment. West Toronto roundhouse continued in use for yard steam engines and later diesel yard switchers. 2A piece of electronic equipment used to select or combine different video and audio signals.More speakers are added over the rear doors, the audio/video switcher is installed, and the door speakers are put in place.... Digital cameras, switchers, recorders and display devices are transforming how television signals can be used by security personnel for more accurate, reliable and effective surveillance and assessment. The system that controls which images are sent to which monitors at what time, is made up of the laser disc players and discs, the laptop computer, the time code reader, the synchroniser and the video switcher.
随便看	scrooch Scrooge, Ebenezer Scrooge-like scrotal scrote scrotum scrounge scrounger scrub scrub-bash scrubber scrubbing brush scrub-bird scrub block scrub brush scrub bull scrubby scrub cutter scrub-dash scrub fire scrubfowl scrub itch scrub jay scrubland scrub nurse

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