It's possible that the player might have the fire button down in one part of the event loop and not in another, so you must sample at the same point you read the input for the game normally.

其可能造成的结果是游戏玩家在游戏事件循环的某一部分按下了发射键，而在另一部分却松开了它。所以必须在同一处进行采样与读入输入。

youdao

His finger is poised over the Manual Fire button in case the thrusters don't kick in at the right instant, which could cause the Soyuz to skip off the edge of the atmosphere like a stone on a pond.

他的手指悬在手动启动按钮上，以防推进器不能立刻启动。如果没能正常启动，联盟号就会像投入池塘的石子一样，在大气层上方消失不见踪影。

youdao

As the curses came shooting across the intervening space again, Hagrid swerved and zigzagged: Harry knew that Hagrid did not dare use the dragon-fire button again, with Harry seated so insecurely.

魔咒又隔着夜空发射过来。海格不停地左转右拐，绕来绕去，哈利知道海格不敢再使用那个龙火按钮了，因为哈利坐得很不稳当。

youdao

In battle mode players can use the fire button to disable the opponent's CarBot.

ENGADGET: CarBot lets you settle those grudges with battle mode

Once you've lined up the shot you want, a tap on the circular on-screen button will fire the camera.

ENGADGET: Nikon WU-1a wireless mobile adapter for D3200 review: using Android as a remote trigger / wireless display

He arrives with a netbook and, in a few minutes, shows me how to download software which has a big red button asking you to fire the laser.

BBC: Anonymous, hacktivism and the rise of the cyber protester