Huxley speculated that a coat of hair would insulate against loss of body heat and might streamline the body to reduce drag in flight.

赫胥黎推测，一层毛发可以隔离身体热量的流失，并可能使身体呈现流线型，以减少飞行中的阻力。

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Since air does not conduct heat as well as water, air layers can insulate against heat loss.

由于空气和水一样不导热，因此空气层能够防止热量流失。

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Insulate against the cold, keep your foot warm and comfortable while tackling extreme conditions.

防寒：在极端环境下，可有效防寒，保持足部温暖舒适。

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Again, carefully choosing a bank account can help insulate you against these charges.

FORBES: Become Allergic To Bank Fees

The city's unemployment rate (6.4%) is lower than the national average, and the plethora of public sector jobs insulate it against the weak private economy.

FORBES: Careers

But its 16 authors, led by Michael Ladisch, a biological engineer at Purdue University, reckon that high-tech chow will, within the next 25 years, protect troops from attack by biological weapons, insulate them against cold weather and even make them visible to their commanders by satellite.

ECONOMIST: A new report speculates on army rations of the future