Cheapening

例句:

• In 1882, however, a machine for doing this was invented, thereby dispensing with the old hand method and cheapening the operation. Edward W. Byrn. 十九世纪发明进展.
• Late improvements in the manufacture of inks are due to the discovery and cheapening of substances which can be used in preparing them. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Another was a cheapening of school-books. 赫伯特·乔治·威尔斯. 世界史纲.
• One of the incidents which caused a very great cheapening was that, when we started, one of the important processes had to be done by experts. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• For cheapening the cost of buttonholes, and reducing the hand labor, various buttonhole machines and attachments to sewing machines have been devised. Edward W. Byrn. 十九世纪发明进展.
• A friend of mine was the other day cheapening some trifles at a shopkeeper's, and after a few words they agreed on a price. 本杰明·富兰克林. 富兰克林自传.

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