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Some new technologies are being put to use.

一些新技术正在投入使用。

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In 1920, the world's first three-color traffic light was put to use.

1920年，世界上第一个三色交通灯投入使用。

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The two sides did not make any additional comments regarding requests from Chinese officials for Washington to put an end to curbs on "dual use" high-tech exports that have possible military applications.

VOA: standard.2010.05.25

We should call it E-flat and put it up on the E line because there's kind of rule here that you have to use up each letter name in turn, each letter name in turn.

我们应该称之为降E,把它放在E的谱线上,因为这算是一个规则,要依次使用每个字母,依次用每个字母

耶鲁公开课 - 聆听音乐课程节选

Once a year, during a 12-hour-long day, employees put their specific skills to use at non-profits.

CNN: Why everyone wants to work for the 'good guys'

The free-shipping program is meant to put more coins into day-to-day use.

WSJ: U.S. Helps Frequent Fliers Make a Mint

Ms. McCLANAHAN: Well, the safest thing, especially for short-term money, is to put into CDs - and I would just use short-term CDs right now interest rates being so low - you could use money market funds, money market mutual funds.

NPR: How to Weather a Rocky Economy