The red stuff that you often see being dropped from planes and helicopters is a chemical retardant that contains phosphate fertilizer, which helps to slow and cool down the fire.

通常你见到的从飞机和直升机上洒下的红色物质就是一种化学延缓剂，这种延缓剂含有磷肥，能够减缓和冷却火。

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Planes and helicopters spraying chemicals from the air have so far failed to break up this leak, and the oil has already started to damage wildlife.

飞机和直升机从空中播撒化学品，目前为止还未能阻止漏油，漏油已危害到野生物。

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Fighting fires from helicopters and planes is not new, but nothing comes close to the fire-snuffing capacity of this former freight jet.

用直升机和飞机来灭火并不新鲜，但是还没有任何一个在灭火能力方面能和这架曾是货机的喷气式飞机相媲美。

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"Fighter planes and helicopters are deployed from al-Zhuhoor airport to shell Idlib and nearby areas, " Hded said.

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Below 1, 100 feet, well-defined corridors exist for small planes and helicopters to fly without needing permission from air-traffic control.

ECONOMIST: Business travel

In a lawsuit filed in 2004 in Delaware shareholders accused him of overpaying himself and his son, leasing planes and helicopters from his family and using company assets to pay for a Paris apartment and children's tuition.

FORBES: Whose Value?