They also made great propellants, foaming agents, and fire-retardants.

用它还可以制造很好的推进，发泡和阻。

Helicopters take crews to the scene of wildfires and tankers drop flame retardant from the air.

直升机将人员带到野火现，灭火飞机从空中投掷阻。

Or fire retardants are a big problem these days. We're not sure what the problems are.

许现在阻一个大问题。但我们不确定什么问题。

In 2020, The Forest Service used more than 190 million liters of retardant for the first time.

2020年，美国林业局首次使用了超过1。9亿升的阻。

The fire retardant cost those two years reached nearly $200 million.

两年所使用的阻的成本达到了近2亿美元。

Hundreds of firefighters fought the fire on the ground and planes dropped water and retardant from above.

数百名消防队员在地面救火，飞机从空中降下水和阻。

Planes poured retardant on the fire from above, while firefighters battled the inferno on the ground.

飞机从空中大火倾倒阻，消防队员则在地面上的火海中搏斗。

" First it needs to identify those flame retardants – some of them are toxic, " he says.

“首先，它需要识别那些阻——其中一些有毒的，”他说。

Tankers whisking above the tree line, dumping retardant by the thousands of gallons to meet the advancing flames.

倾倒机在树木上方呼啸而过，将数千加仑的阻倾泻下来，以应对不断蔓延的火势。

In comparison, over the previous 10 years, the agency used 115 million liters each year.

相比之下，在过去10年里，该机构每年使用1。15亿升阻。

Fortress says its retardants are effective and better for the environment than other products.

Fortress公司表示，其生产的阻比其他产品更有效，更环保。

They are spraying and dropping water, as well as fire retardant, in the affected areas.

他们在受灾地区喷洒水和阻。

They now add ingredients such as stabilizers and flame retardants.

他们现在添加了稳定和阻等成分。

I don't want to have to wear flame-retardant boobs.

我不想戴阻做的假胸部。

But two nonprofit groups say both kinds of retardant harm the environment.

但两家非营利组织表示，两种阻都会对环境造成危害。

And flame retardants that make electronics less flammable are associated with endocrine, reproductive and behavioral effects.

使电子产品不易的阻与内分泌、生殖和行为影响有关。

Both said that the ammonium-phosphates-based retardant is a fertilizer that can help invasive plants.

两人都表示，基于磷酸铵的阻一种有利于入侵植物生长的肥料。

They are worried about the possible harm the retardants could cause to aquatic species.

他们担心两种阻可能会对水生物种造成伤害。

But critics say the Forest Service should be spending less on these mixtures known as fire retardants and more on firefighters.

但批评人士表示，美国林业局应该减少在些被称为阻的混合物上的支出，而要增加在消防员身上的支出。

The groups suggest that the U.S. Forest Service should be spending less on fire retardant and more on firefighters.

些组织建议美国林业局应该减少在阻上的支出，增加在消防员身上的支出。