It has been found that the concentrations of those elements due to man-made air pollutants, especially S, are high and are comparable with those often found in the heavily industrialized eastern U.

发现，气溶胶中由人为污染物形成的那些颗粒物元素的浓度（特别是硫）相当高，其数值与在高度工业化的美国东北部和西欧的工业城市的观测结果相当；

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Antihypertensive non-peptide angiotensin II receptor antagonists have been paid much attention since it was found in 1980's.

抗高血压新药非肽类血管紧张素ii受体拮抗剂自二十世纪八十年代发现以来就受到了广泛的关注。

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One of the slippers was not to be found, the other had been snatched up by a little boy, who ran off with it thinking it might serve him as a doll "s cradle."

一只怎么也找不到，另一只被一个小男孩抢跑了。他想，这只鞋可以当做玩具娃娃睡觉的摇篮。

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It's never been found.

FORBES: Gold in The Sofa Cushion

The problem of bed blocking has been around for so long that it's astonishing that solution still hasn't been found - but it remains.

BBC: "Very significant heat in the system"

"He obviously lost a bit of confidence in the one-day arena when he couldn't hold the new white ball but he's found it again and been bowling well of late, " said Blackwell.

BBC: England's Indian challenge