YOU SAID:
How long until the mountains fall back into the oceans?
INTO JAPANESE
山が海に戻るまでどれくらいかかりますか?
BACK INTO ENGLISH
How long does it take for the mountains to return to the sea?
INTO JAPANESE
山が海に戻るのにどれくらい時間がかかりますか?
BACK INTO ENGLISH
How long does it take for the mountains to return to the sea?
Well done, yes, well done!