YOU SAID:
The origination of the polio vaccine was 1953
INTO JAPANESE
ポリオワクチンの発祥は1953年である。
BACK INTO ENGLISH
The origin of the polio vaccine was in 1953.
INTO JAPANESE
ポリオワクチンの起源は1953年である。
BACK INTO ENGLISH
The origin of the polio vaccine was in 1953.
You've done this before, haven't you.