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bar POLEHbB:5, $bB:rn [C]a straight stick esp. one made of metal, or something that has been made into a rectangular shape条，块，棒She picked up a metal bar and waved it threateningly.她捡起一根金属棍，威胁地挥了挥。The gorilla rattled the bars of its cage.大猩猩使笼子的铁条发出格格声。(infml) He's spent most of his life behind bars (= in prison).他一生中大部分时间在监狱中度过。a bar of chocolate/soap一块巧克力/肥皂The bar of an electric heater is a long thin wire in the shape of a spring which is wrapped tightly around a tube. When electricity passes through it, it produces heat and red light.取暖器的供热电阻丝It's very warm in here. Do you really need both bars on?这儿很暖和。你确实需要开两根电阻丝吗?Bar is also Am for STRIPE A bar chart/graph (also histogram) is a mathematical picture in which different amounts are represented by thin vertical or horizontal rectangles which have the same width but vary in height or length.（数学中的）条线图A bar code is a small rectangle of thick and thin black lines which is printed on food wrappers, book covers, etc. and allows a computer to read information about the item, such as the price.条形码
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