In preparation for the celebration, a straw mat is placed on the table, along with a candle holder with seven candles, one black, three red, and three green.

在准备庆祝活动时，桌子上放着一张草席，还有一个蜡烛架，上面有七支蜡烛——一支黑的，三支红的，还有三支绿的。

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A typical work, such as Seven Days, consists of a single beautiful black-and-white photograph taken on an epic walk, with the mileage and number of days taken listed beneath.

一个典型的作品，比如《七天》，由一张美丽的黑白照片组成，它是在一次史诗般的步行中拍摄，拍摄的里程数和天数就列在下面。

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They come in many different colors and patterns, but the most familiar in North America is the seven-spotted ladybug, with its shiny, red-and-black body.

它们以不同的色彩和图案呈现，但在北美最为被人熟知的是体表光亮呈红色带有七个黑色斑点(七星瓢虫)的瓢虫。

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In nineteen eighty-seven, she founded the Rosa and Raymond Parks Institute for Self-Development to improve the lives of black children.

VOA: special.2009.03.08

In two thousand seven, she became the first black woman to receive the Ruth Lily Poetry Prize.

VOA: special.2010.04.18

In nineteen forty-seven, Jackie Robinson became the first black to play modern major league baseball.

VOA: special.2009.04.05

Over the last seven years 33 black rhinos have been born in the foundation's parks and members of the critically endangered species have been returned to the wild.

BBC: Black rhino threat: Poachers target Kent wildlife parks

Vilane has been a member of the "Seven Summits" club since 2008 after reaching the top of the highest mountains on seven continents, becoming the first black African to join the elite club.

CNN: STORY HIGHLIGHTS

Groupon broke into the black just seven months after inception.

FORBES: Groupon CEO Andrew Mason Speaks Out About His 20 Cats