participating medium

• 参与媒质

participating medium的用法和样例：

例句

1. These exist in a medium you call space.
   它们存在于你们叫做空间的媒质中。
2. Let us compare the motion of any particle of the medium with that of a second particle to the right of the first.
   让我们来比较一下媒质中任一质点和其右边另一质点的运动。