He has three black chickens.

他有3只黑色的小鸡。

youdao

Investigators have recovered two of its three black boxes.

调查人员已经找回三个黑匣子中的两个。

youdao

In this image, the telltale signatures of this alignment are the shadows (the three black circles) cast by the moons.

在这种图片中，直线排列的鲜明特征是由卫星投放的阴影(三个黑色圆圈)。

youdao

In nineteen seventy-three, Ashe was the first black player to be invited to compete in the South African Open.

VOA: special.2010.02.07

It dropped dramatically in the period from 1954-- this is these filled black bars refer to this axis, polio cases per 100,000 population dropped down to only three or four cases by 1956.

患病率在一九五四年后的,一段时间里急剧下降,该坐标轴上的这些黑色柱形图表明,到一九五六年,小儿麻痹症的发病率,已经降低至每十万人中仅三到四人发病

耶鲁公开课 - 生物医学工程探索课程节选

The group Defenders of Wildlife describes black bears as between a half-meter and three fourths of a meter at the shoulders.

VOA: special.2011.06.21

Specifically, the players said, fans were targeting three black players in the Milan side, including Mario Balotelli.

WSJ: Soccer Bosses Fine Roma

Det Ch Insp Scott Wilson said police believe the three black suspects, aged between 19 and 25, ran from the club in separate directions.

BBC: NEWS | UK | England | London | Boxer shot over club smoking row

Race relations in New York were also fractured at the time, especially after a 1986 incident in Howard Beach when white teenagers attacked three black men, killing one.

CNN: New York's brash former mayor, Ed Koch, dies at 88