2020年1月15日 · Gear or gearwheel: cog-wheels that work upon each other (OED, "gear, n."): b. Wheels working one upon another, by means of teeth, or otherwise. a train of gears: a set of …

2020年1月17日 · Cog : one of the tooth-like parts around the edge of a wheel in a machine that fits between those of a similar wheel, causing both wheels to move. Although I have heard …

2020年12月12日 · The idiomatic phrase is to keep the wheels turning, but I have heard rolling as well. "rolling" is less formal than "turning" though. Having said that, the expression to keep the …

2015年1月4日 · "Works", meaning the specialized machinery at a factory - so, "teeth of a cog" is probably a more accurate image than, "spokes of a wheel". – Oldbag Commented Jan 4, 2015 …

Cog, as defined in dictionaries, means One of a series of teeth, as on the rim of a wheel or gear, whose engagement transmits successive motive force to a corresponding wheel or gear. But I …

2020年3月6日 · One can visualize the idiom in the famous factory scene in Charlie Chaplin's "Modern Times," where the Tramp is swallowed into a machine full of cogs and wheels. Is …

2013年12月29日 · Probably derives from obsolete ‘sprag’ (1706) ‘a lively young fellow’ but etymological theories abound: a reversal of ‘frog spawn’ – because it’s so very green; a …

2016年3月23日 · as only one cog in the vast machine of effort involved - there are many (cogs) people that are involved in the process of writing and publishing a book and he is just one of …

2012年6月14日 · There’s no simple answer to any question of the form “How is <letter>/<digraph> pronounced?” It depends. As you’ll have seen in the Wikipedia article, what would have been …

2015年6月25日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …