YOU SAID:

This stuff seems to have improved a lot since the last time I looked at it.

INTO JAPANESE

このようなものは、それを見た最後の時間以来、多くの改善があるようです。

BACK INTO ENGLISH

There seems something like this since the last time I saw it, much improved.

INTO JAPANESE

それは、多くの改善を見た最後の時間以来、何かこのようなあるようです。

BACK INTO ENGLISH

It saw many improvements since the last time something like this is.

INTO JAPANESE

それはこのようなものは、最後の時間以来の多くの改善を見た。

BACK INTO ENGLISH

It, such as those seen many improvements since the last time.

INTO JAPANESE

それなど最後の時間以来の多くの改善を見た。

BACK INTO ENGLISH

It saw much improvement since last time.

INTO JAPANESE

それは最後の時間以来、多くの改善を見た。

BACK INTO ENGLISH

It saw much improvement since last time.