To free individual elements, call the free routine from the pool interface.

要释放各个元素，可以调用pool接口中的free例程。

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Members of the Netherlands team compete in the synchronised swimming free routine combination final at the world championships in Rome.

来自荷兰的选手在于罗马举行的世锦赛上参与花样游泳自由组合动作的比赛，她们正决战决赛。

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Practically unheard of a generation ago, the discounts have become a routine part of many businesses—as common as color televisions in motel rooms and free coffee on airliners.

上一代人几乎闻所未闻的打折已经成为许多企业的惯用手段——就像汽车旅馆房间里的彩电和航班上的免费咖啡一样普遍。

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They showed up at the team's facility to cheer him on, despite it being a routine free agent visit.

WSJ: Charles Woodson Rejoins Oakland Raiders

Dawson slipped attempting to clear a routine free-kick and the ball fell invitingly for Piquionne to slip the simplest of finishes under Gomes.

BBC: Tottenham 0-2 Portsmouth (aet)

At times like these, we have to ask ourselves: What can we do to break free from the routine and reconnect with the world around us?

WHITEHOUSE: President Obama on America's Great Outdoors Initiative