甲烷是一种强有力的温室气体，是二氧化碳对温度升高效果的25倍。

Methane is a powerful greenhouse gas, contributing 25 times more toward warming than carbon dioxide, kilogram for kilogram over a century.

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他们发现青蒿素和青蒿琥酯是安全的，而且可以迅速清除疟原虫，它们的剂量越高效果越好。

They found that both artemisinin and artesunate were safe and cleared the parasite rapidly, with high doses more effective.

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本文指出语文课堂教学艺术具有高效果、高激励和审美之功能，并论述其相关的形式。

This article demonstrates highly effective, stimulating and aesthetic functions of Chinese classroom teaching art, and discusses their related forms.

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The colder that cold reservoir is, the hotter that hot reservoir is, the better off we are.

低温热源温度越低，高温热源温度越高，效果就越好。

麻省理工公开课 - 热力学与动力学课程节选