The original white lead pigments have oxidized and turned black.

原来白色的铅颜料已经氧化发黑了。

《柯林斯英汉双解大词典》

Well, first of all, I should note that the lead author from the original study does not necessarily agree with the findings of this meta-analysis. From the NYTimes coverage

那么，首先，我应该注意到原始研究的首席作者并不必然赞同这份元分析的研究。

youdao

Nominated for 12 Oscars -- the most of any film -- it won four statuettes, including for Colin Firth for lead actor, Tom Hooper for director, and David Seidler for original screenplay.

获得本届奥斯卡最多12项提名的《国王的演讲》，在周天晚上举行的第83届奥斯卡颁奖礼上荣获最佳影片大奖。 影片总共收获4项大奖，包括最佳男演员奖(科林•费斯)、最佳导演奖(汤姆•霍伯)和最佳原创剧本奖（大卫•赛德勒）。

youdao

Bobbie Smith, the original lead singer of soul group The Spinners, has died at the age of 76 in Orlando, Florida.

BBC: Spinners singer Bobbie Smith dies at 76

Harris joined the Temptations at age 20 in 1971 and replaced Eddie Kendricks, one of the group's original lead singers, Billboard.com reported.

CNN: Temptations' Damon Harris dies at 62

The very founding of our organization and its original intent lead to community wide buy-in and support for the work that we do from diverse individuals and institutions.

WHITEHOUSE: Connecting the Dots