lb is the written short form of pound or pounds when you mean weight, not money. You see it on food packets, in American cooking, and on bags at the airport: 2 lb of sugar, a 20 lb suitcase.

lb lb is是 the written short form書面的縮寫 of pound or pounds指pound或pounds when you mean weight當你指的是重量 not money而不是錢 你 see it會看到它 on food packets在食品包裝上 in American cooking在美式食譜裡 and和 on bags at the airport在機場的行李上 2 lb of sugar, a 20 lb suitcase2 lb of sugar、a 20 lb suitcase

One pound is a little less than half a kilogram (about 0.45 kg). In speech people say “pound” or “pounds”; they almost never say the letters l-b out loud, except when they are reading a label slowly.

One pound一磅 is a little less than half a kilogram稍微少於半公斤 about 0.45 kg大約0.45公斤 in speech在口語裡 people say人們會說 'pound' or 'pounds'「pound」或「pounds」 they幾乎不會 almost never say the letters l-b out loud把l-b這兩個字母唸出來 except when除非 they are reading a label slowly是在慢慢唸標籤的時候

It looks as if it should come from the word pound, but it does not. It comes from libra, a Latin word for a weight and for a pair of scales. That is why the letters are lb, not pd.

It它 looks as if it should看起來好像應該 come from the word pound是從pound這個字來的 but it does not但其實不是 it它 comes from是來自 libra一個拉丁字libra a Latin word for a weight and for a pair of scales指一種重量單位，也指一種天秤 that is why這就是為什麼 the letters are lb, not pd這幾個字母是lb而不是pd

Though actually, the money word pound and the sign £ also go back to that same Latin libra — but on a price, £ is money, and lb is how heavy something is. In Taiwan you will meet lb on imported food and in US recipes; daily talk here uses 公斤.

Though actually不過實際上 the money word pound錢的單位pound and the sign £還有£這個符號 also go back也都來自 to that same Latin libra同一個拉丁字libra but不過 on a price在價格上 £ is money£指的是錢 and而 lb lb is how heavy something is指的是重量 in Taiwan在台灣 你 will meet lb會遇到lb on imported food and in US recipes在進口食品和美式食譜上 daily talk here uses公斤這裡日常講的是公斤