greenhouse gas/nmn
n. + gas >>共 187 个
greenhouse 37.57%
methane 7.98%
petroleum 4.38%
hydrogen 3.60%
chlorine 3.25%
sarin 2.68%
exhaust 2.33%
propane 2.33%
cyanide 2.05%
nitrogen 1.69%
greenhouse + n. >>共 90 个
gas 57.20%
emission 25.91%
cut 0.75%
target 0.75%
experiment 0.75%
problem 0.75%
tomato 0.65%
pollution 0.43%
limit 0.43%
reduction 0.43%
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