YOU SAID:

What is the purpose of this lab, I just don't get it.

INTO JAPANESE

このラボの目的は何ですか、私にはわかりません。

BACK INTO ENGLISH

I don't know what the purpose of this lab is.

INTO JAPANESE

このラボの目的がわかりません。

BACK INTO ENGLISH

I don't understand the purpose of this lab.

INTO JAPANESE

このラボの目的がわかりません。

BACK INTO ENGLISH

I don't understand the purpose of this lab.