High thin clouds contribute to heating while low thick clouds cool Earth.

高而薄的云层有助于升温，而低而厚的云层使地球冷却。

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Superconductors only work at extremely low temperatures, rendering them practically useless because the energy used to cool them to those temps cancels out the benefit of no energy loss.

超导体只在极低的温度下发挥作用，几乎可以认为它们没什么用，因为那些用于将它们降到极低温度所消耗的能量抵消了其不产生能量损失的优势。

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Shock, with diminished consciousness, lack of urine output, cool, moist extremities, a rapid and feeble pulse, low or undetectable blood pressure, and pale skin.

休克，意识减弱，尿少，体凉，四肢潮湿，脉动快速和微弱，低血压或检测不到血压，皮肤苍白。

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He is generally considered low-keyed and cool, a number cruncher but also a committed, unflagging philosophical liberal.

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Helguson's penalty was cool, placed low into the corner, giving Rangers a deserved lead.

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At low altitudes they help to cool the Earth by reflecting sunlight away from it.

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