【WEI】評論

(B)The Romans used uncia to name the distance equal to the width of a thumb. The English picked up this word and renamed it an inch. They did not, however, accept the thumb as a unit of measure.(C)They called this unit a yard too. The distance was from a man’s nose to the tip of his middle finger. yard 碼,庭院pace off  用步子量出(一段距離)(D)They put together three lengths of a man’s foot and called it a yard. Again, man had another useful unit---in this case, one he could use to pace off a large field quickly.   ...