I really difficult to be separated by!
分开我真的很难受！
The boys set to and had to be separated by a teacher.
那些男生大打出手，来了一位老师才把他们拉开。
Many mixture which are difficult to separate by other methods can be separated by chromatography.
许多用其他方法很难处理的混合物可以利用色谱法进行很好的分离。
Many mixture which are difficult to separate by other methods can be separated by chromatography.
许多用其他方法很难处理的混合物可以利用色谱法进行很好的分离。
应用推荐