This problem first appeared in the inner cities.

这个问题最初在市区中心出现。

《牛津词典》

The name of the Chongyang Festival first appeared in the Three Kingdoms Period.

重阳节的名称最早出现在三国时期。

youdao

When the recovery began, worker shortages first appeared in the high-skilled trades.

当经济开始复苏时，劳动者短缺首先出现在了高技能行业。

youdao

His fictional detective C.August Dupin first appeared in his story "The Murders In the Rue Morgue" in eighteen forty-one.

VOA: special.2009.02.02

The verb "to lobby" first appeared in print in the United States in the eighteen thirties, according to a website about Washington.

VOA: special.2010.09.27

The comic strip first appeared in seven American newspapers in nineteen fifty.

VOA: special.2009.10.25

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?

It is the largest outbreak since the virus first appeared in the US in 1999.

BBC: West Nile virus death toll in US jumps by a third

Still the number one show on TV, Idol, which first appeared in 2002, is a fading comet.

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