YOU SAID:

The first can opener wasn't invented until almost 50 years after the invention of the can.

INTO JAPANESE

最初の缶切りは、缶が発明されてからほぼ50年後まで発明されませんでした。

BACK INTO ENGLISH

The first can opener was not invented until almost 50 years after the can was invented.

INTO JAPANESE

最初の缶切りは、缶が発明されてからほぼ50年後まで発明されませんでした。

BACK INTO ENGLISH

The first can opener was not invented until almost 50 years after the can was invented.