Start filling them with water or nutritious drinks at least one hour before the sporting event begins, and keep them hydrated throughout and after its completion.

在运动开始至少一小时之前就让他们喝水或是营养饮料。并且在整个运动过程中和运动完成时都要保证他们的饮水。

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A controller can identify a time interval correlating with a seismic event, and the controller operates the switch to lock the sensor before the seismic event begins.

控制器可以识别的时间间隔与地震事件关联，控制器操作开关锁定在地震事件的传感器开始。

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If new event types are added, the event receiver automatically begins to receive them as they are published.

如果添加新的事件类型，则事件接收者会在它们发布时自动接收它们。

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The 41-strong British squad are making final preparations before the four-day event begins on Thursday.

BBC: SPORT | Other Sport | Davies leads British Euro squad

The PlayStation event begins with light and video show at the storied Hammerstein Ballroom in midtown Manhattan.

WSJ: Sony holds PlayStation event in NY, ahead of Xbox

The PlayStation event begins with a light and video show at the storied Hammerstein Ballroom in midtown Manhattan.

WSJ: Sony PlayStation 4 with social, remote features