为此他变成了我实际的老师，所以我不得不放低声调耐心地听他的“科学课”（表述）。

Therefore, he becomes my teacher to be exact. So, I have to lower down my voice and listen very carefully to his "class" (presentations and statements).

youdao

为此他变成了我实际的老师，所以我不得不放低声调耐心地听他的“科学课”（表述）。

Therefore, he becomes my teacher to be exact. So, I have to lower down my voice and listen very carefully to his "class" (presentations and statements).

youdao