The code in Listing 4 didn't actually rotate the object in place around its center, but around its upper-left corner.

清单 4 所示代码实现不是将现有对象以中心为原点进行旋转，而是以其左上角为原点进行旋转。

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The bright object in the center is a foreground star.

中央的明亮天体是一颗前景中的恒星。

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This object is used to center the map.

该对象用于使地图居中。

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The movie, written and directed by Jeff Prosserman, clumsily walks Markopolos through actions that he took years ago, but the rueful man at the center of the film remains an object of fascination.

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When he detected the object, Bill Yeung contacted the Minor Planet Center in Massachusetts, the clearing house for such discoveries, which gave it the designation J002E3 and posted it on their Near-Earth Object Confirmation webpage.

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The object of the game is to keep the floating ball in the center of the tube with judicious application of throttle and brake.

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