The specific impact of the greenhouse effect is unknowable.

温室效应的具体影响尚不可知。

《柯林斯英汉双解大词典》

What gas do you think was the first suspect in causing the greenhouse effect?

你认为导致温室效应的第一个嫌疑是什么气体？

youdao

Carbon dioxide is the second most important greenhouse gas, trapping heat in our atmosphere and increasing global temperatures via the greenhouse effect.

二氧化碳是第二大重要的温室气体，它阻止我们的大气散热，并通过温室效应增加全球温度。

youdao

It asks major polluting countries to voluntarily reduce gases linked to what scientists call the greenhouse effect.

VOA: special.2010.01.19

Today we discuss the greenhouse effect.

VOA: special.2009.12.22

These reflect sunlight away from Earth and thus oppose the effect of greenhouse gases.

ECONOMIST: Changing science

That has led the Manomet Center for Conservation Sciences to say that the net effect on greenhouse gas emissions is higher.

FORBES: Biomass Breathing New Life Into Coal Plants

HFC, for example, an industrial gas, has 11, 000 times the greenhouse effect of CO2.

ECONOMIST: Selling hot air