基本解釋abbr.磅(=Libra）同根派生 lb相關(guān)詞英漢例句These fish vary in weight from 3 lb to 5 lb.這些魚的重量從3磅到5磅不等。lb更多例句英英字典劍橋英英字典 written abbreviation for poundlb劍橋字典lb柯林斯字典