A BEGIN event happens when the request first comes in.

当请求第一次传入时，即发生BEGIN事件。

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You could simply put it in your J2EE application code and wait until an application client request first comes in for your application.

您可以简单地把它放在J2EE应用程序代码中，一直等到应用程序客户机向您的应用程序发出第一次请求。

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The Web service consuming the request first attempts to authenticate the token; that is, find out if the requestor is a valid user in the system.

使用该请求的Web服务首先尝试验证该令牌；即，查看请求者是否为系统中的有效用户。

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Feiler made his first request to Jeff Shumlin, a Vermont farmer.

VOA: standard.2010.06.19

But Wednesday,the U.S.Senate joined the House in refusing the president's request for $80 million to close Guantanamo, saying he must first come up with a concrete plan to deal with the remaining 240 detainees.

VOA: standard.2009.05.21

Presiding Officer Rosemary Butler approved the recall after a request from the first minister.

BBC: Pound coins

The child's first request after being examined, police said, was a grilled cheese sandwich and a juice.

WSJ: NJ boy found with dead mom weighed 26 pounds

The boy's first request after being examined, police said, was a grilled cheese sandwich and a juice.

WSJ: NJ boy, 4, found with dead mom was living on sugar