air molecule/nmn

11.   When they meet the friction of air molecules, they burn up harmlessly, leaving only a brilliant streak of light.

n. + molecule >>共 149 个
water 14.15%
protein 12.53%
oxygen 4.18%
hemoglobin 3.71%
carbon 3.48%
adhesion 2.78%
yeast 2.78%
air 2.55%
sugar 2.09%
receptor 2.09%
air + n. >>共 541 个
travel 5.54%
attack 5.02%
pollution 4.75%
controller 4.63%
campaign 4.31%
traffic 4.02%
fare 2.87%
time 2.78%
system 2.54%
quality 2.38%
molecule 0.07%
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