例句與造句

1. Relative humidity affects the diffusion gradient for transpiration and evaporation , which proceed more slowly with increase in relative humidity
   相對濕度影響蒸騰作用和蒸發(fā)的速度，當相對濕度增大時，以上過程會變慢。
2. It's difficult to find diffusion gradient in a sentence. 用diffusion gradient造句挺難的