YOU SAID:

-- | @atLength atLen atEnd ls n@ unravels list @ls@ to position @n@. Precisely:

INTO JAPANESE

-| @atLength atLen atEnd ls n @は、リスト@ ls @を@ n @の位置に展開します。正確に：

BACK INTO ENGLISH

-| @atLength atLen atEnd ls n @ expands the list @ ls @ to the position @ n @. accurately:

INTO JAPANESE

-| @atLength atLen atEnd ls n @は、リスト@ ls @を@ n @の位置に展開します。正確に：

BACK INTO ENGLISH

-| @atLength atLen atEnd ls n @ expands the list @ ls @ to the position @ n @. accurately: