例句與造句

1. :My recollection of churning butter myself ( I only did it once with a hand-cranked rotating barrel contraption-and that was a long time ago ) is that its a long and exhausting process-I'm 100 % sure a mouse couldn't do it.
2. The organ is played mechanically by either a rotating barrel with the music pinned thereon like a music box, a strip of card perforated with the musical data and registration controls called " book music " or interchangeable rolls of paper similarly programmed called " music rolls ".
3. In the United States, Eleuthere Irenee du Pont, who had learned the trade from Lavoisier, tumbled the dried grains in rotating barrels to round the edges and increase durability during shipping and handling . ( Sharp grains rounded off in transport, producing fine " meal dust " that changed the burning properties .)
4. Other improvements included the use of a single lens in most lens trains, making the unit lighter and more efficient in regards to light output, and a rotating barrel containing lens tube assembly, shutters, and accessory slot to allow increased precision in use of the shutters and / or more easily registering gobos.
5. With most types, in particular those with rotating barrel-clusters, it is almost impossible to aim beyond close range because the hammer is in the line of sight ( some pepperboxes have a slot in the hammer through which one is supposed to aim ), there is no place to put a frontsight ( putting one for each barrel would only increase the weight of the front end and likely make drawing the weapon awkward ), and the gun is too front-heavy to permit quick and steady aiming.
6. It's difficult to find rotating barrel in a sentence. 用rotating barrel造句挺難的
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