So it is a practical teaching qualification after which you are allowed to work in public schools, so state schools, in the United Kingdom.

因此，这是一种实用的教学资格，之后您就可以在英国的公立学校（即公立学校）工作。

The bit of practical teaching he afterwards reviewed with most curiosity was the course in Chemistry, which taught him a number of theories that befogged his mind for a lifetime.

他后来最好奇地回顾了实践教学的一点是化学课， 这门课教了他许多困扰他一生的理论。