scrambler

n device for scrambling telephone conversations, etc 扰频器; 倒频器.

Scotland, Scotland Yard, Scots, Scotsman, Scottish, scoundrel, scour, scourer, scourge, scout, scouting, scoutmaster, scowl, Scrabble, scrag, scragginess, scraggly, scraggy, scram, scramble, scrap, scrap paper (US also `scratch paper), scrap-book, scrap-heap, scrap-yard, scrape, scrape through, scraper, scraping, scrappily, scrappiness, scrappy, scratch, scratch pad, scratch paper, scratchily, scratchiness, scrawl, scrawny, scream,