The weather radar, possessing a wide coverage and accurate real-time response, has back waves corresponding to arbitrary points within its coverage.

天气雷达覆盖面广、实时性强，对于观测区域内任意点都有回波与其对应。

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In sports, when a team has "back-to-back" games, it means that they must play two games in a row away from home before returning for either a rest or a home game.

体育比赛中的“背靠背”是指一支球队连续打了两场客场比赛，中途没有返回主场休息或者在主场进行比赛。

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He has not stepped back from his policy of seeking to work with Iran after thirty years without diplomatic ties.

VOA: special.2009.06.20

When he gets back to New York, finally, at the end of this first road trip, he has missed Dean.

当他终于回到纽约时，在这首次旅途的末期，他弄丢了迪恩。

耶鲁公开课 - 1945年后的美国小说课程节选

She has just come back from a Tupperware party where the hostess put too much kirsch in the punch, so she's a little drunk.

她刚从一个特百惠派对回来,因为女主人准备了太多的樱桃白兰地，所以她有点喝醉了。

耶鲁公开课 - 1945年后的美国小说课程节选

Audit Integrity has back-tested its proprietary metrics to 1996 to establish correlations between corporate behavior and negative events.

FORBES: Most Trustworthy Companies

Another has back pain.

BBC: Maradona denies threat to resign

Since his re-election, the city has gained back more than two jobs for every one that was lost during the national recession, while the U.S. overall has only gained back 52% of the jobs lost.

WSJ: Reputation on the Line