It introduced lots of new American words, with information about their pronunciation, use and the new spelling.

它介绍了许多新的美国单词，以及它们的发音、用法和新的拼法。

youdao

youdao

youdao

Use of the CT Scan has increased dramatically since it was introduced A 2007 report in The New England Journal of Medicine estimated that at least 62 million CT scans were conducted yearly in the United States.

VOA: standard.2010.01.30

So, it was effective, it was rapidly then introduced into general use.

因此,疫苗是有效的,它迅速得到了广泛应用

耶鲁公开课 - 生物医学工程探索课程节选

To discourage their use, Ghana has introduced a rebate scheme to encourage people to surrender their used refrigerators for a new one.

BBC: Ghana bans second-hand fridges

At the same time, community plantations with fast-growing tree species for use as fuelwood are being introduced, as well as 10 000 efficient wood-burning stoves.

UNESCO: The lucrative business of saving East African forests

Regulations on the use of biocides were first introduced in 1998, however a loophole that exempted treated products - such as furniture sprayed with fungicide - will be closed.

BBC: Pest control laws