Fishing tiny flies requires a drag free drift, and once hooked fish will need to be finessed or they will break your fly off.

钓鱼需要一个小小的苍蝇拖免费漂流、一旦鱼上钩，要巧妙，否则会飞到你休息。

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The model for the escape of rising gas bubbles at free surfaces, which is a part of the drift-flux model, has been improved to include a rate for their escape.

为上升气泡沫的逃亡·模型在冲销-磁束的模型一部份的免费表面已经被改良为他们的逃亡包括比率。

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He suffered similar embarrassment during the 2002 World Cup when he allowed a Ronaldinho free-kick to drift over him as England slipped out of the finals after losing 2-1 to Brazil.

BBC: Seaman quits football

It is believed the father-of-two had a heart attack after trying to free his van from a snow drift.

BBC: Dulverton post office

Despite being almost totally outplayed, Wigan did occasionally string a move together that ensured the United defence was not completely redundant, and Charles N'Zogbia missed a great chance to reduce the deficit when Won-Hee Cho's pass set him free in the box only for the winger to drift his shot wide, while Hugo Rodallega headed straight at Tomasz Kuszczak from six yards out.

BBC: Manchester United 5-0 Wigan