以上来源于: WordNet
N a very high-speed downward movement of turbulent air in a limited area for a short time. Near the ground it spreads out from its centre with high horizontal velocities 下击暴流; 一种具破坏性的下沉气流，在地面或靠近地面产生 (Also called microburst)
Alice cried with a sudden burst of tears: "I do wish they would put their heads down!"
爱丽丝突然哭了起来：“我真希望他们能低下头来！”
Just as they got within its shelter the storm burst and the rain poured down.
他们刚到屋檐下，风暴就来了，大雨倾盆而下。
Hit the shutter as the firework is launching and hold it down until the burst has faded, typically a few seconds.
焰火发射的那一刻就可以按下快门，一直按住不放，直到你要拍摄的焰火完全熄灭，这个过程一般会持续几秒种 。
But men like 85-year-old Don Seki, who lost an arm to a burst of machine-gun fire, play-down his own heroism in helping to rescue the "Lost Battalion."
VOA: standard.2009.11.04
With the force of a giant waterfall, the dam burst,launching a wall of water 18 meters high down the funnel toward Johnstown faster than warnings could be sounded.
VOA: standard.2010.04.26
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