Gas dilution

• 气体稀释

Gas dilution的用法和样例：

例句

1. Cosmic expansion had diluted the density of the gas to the point where collisions were too infrequent to equalize the spin and kinetic temperatures.
   宇宙膨胀至此，已将气体稀释到一定的程度，使得原子碰撞不再频繁地让自旋与动力温度相等。