YOU SAID:
The largest lanimal ever was Dinosaurus Rex.
INTO JAPANESE
史上最大の動物は恐竜です。
BACK INTO ENGLISH
The largest animals that have ever lived are dinosaurs.
INTO JAPANESE
これまでに存在した最大の動物は恐竜です。
BACK INTO ENGLISH
The largest animals that have ever existed are dinosaurs.
INTO JAPANESE
これまでに存在した最大の動物は恐竜です。
BACK INTO ENGLISH
The largest animals that have ever existed are dinosaurs.
That didn't even make that much sense in English.