You've probably seen agar plates, if you smear a solution that's contaminated with bacteria on it, then that bacteria will grow on this agar rich medium and you'll get many, many copies of the bacteria that you've smeared at low density onto the plate.

你们大概见过琼脂培养基,如果将有细菌的溶液涂抹在培养基上,细菌就会在富含琼脂的培养基上生长,你会得到许多许多细菌,即使你只涂抹了低浓度溶液

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But Richard Agar's side were blown away after the interval, Godwin going over from close range within two minutes of the restart.

BBC: Bradford 42-14 Hull

And Agar's extended commitment to Hull effectively leaves the Rugby Football League are looking for a full-time coach to take over in time for the 12 June international against France.

BBC: Denis Betts plays down England Rugby League speculation

Agar's current contract was due to run out at the end of the season but he will now stay in charge at the KC Stadium at least until the end of 2012.

BBC: Denis Betts plays down England Rugby League speculation