a line on a weather map that joins places that have the same air pressure at a particular time (天气图上的)等压线 Word Originmid 19th cent.: from Greek isobaros ‘of equal weight’, from isos ‘equal’ + baros ‘weight’.
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
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