Firefox has enjoyed rapid growth since it first appeared in 2004.

自2004年起，Firefox一直享受着高速增长带来的喜悦。

youdao

It has recently become even more famous since it first appeared in Harry Potter.

在电影《哈利·波特》中首次出现后，该车站最近变得更加有名。

youdao

The Parisian printer Geoffroy Tory promoted it in the 1520s, and it first appeared in an English text in 1559.

在16世纪20年代时，巴黎印刷商Geoffroy Tory推出撇号。1559年，撇号首次出现在英语文本里面。

youdao

It first appeared in eighteen forty-four in a yearly magazine.

VOA: special.2009.12.26

Scientists have been closely watching the virus since it first appeared in Hong Kong in 1997.

NPR: Bird Flu 101: How Bad Is The New H7N9 Strain?

Currently the virus with the most variants is called Agobot and there are more than 170 versions of that created since it first appeared in October 2002.

BBC: NEWS | Technology | Online virus war is slowing down

Known commonly as the ski-doo, it first appeared on the Finnish market in 1962 and the Sami people used them to revolutionise reindeer herding.

BBC: Finland��s native S��mi adventures