錢的鎊：£
這一支指的是貨幣的那個 pound，記號就是 £。
noun · B1
The symbol £, written in front of an amount of money to show British pounds — for example £20.
英鎊符號 £
核心畫面
One way to hold this phrase: it simply means the mark that stands for a pound. The trouble is that English has two different pounds — the British money and the unit of weight — so the phrase has two different marks to point at. Picture a price tag on one side and a bag on a scale on the other; the name is the same, and the country of the speaker tells you which one to see.
可以想成：這兩個字的字面就是「代表 pound 的記號」。麻煩的是英文裡有兩個 pound——英國的錢，和重量的磅。…更多收起
可以想成：這兩個字的字面就是「代表 pound 的記號」。麻煩的是英文裡有兩個 pound——英國的錢，和重量的磅。所以同一個名字有兩個記號可以指。一邊的畫面是價格標籤，另一邊是磅秤上的袋子。名字一樣，是說話的人在哪一國決定你該看到哪一個。Two branches
重量的磅與電話上的 #
同一個名字裡的 pound 換成重量的磅，記號就變成 #。這是美式英文的讀法。
noun · B1
In American English, the name for the symbol #. You meet it most often on the telephone, where a recorded voice asks you to press it, and it is also written after a number to show pounds in weight, as in 5#.
井字號 #（美式）