详细解释:pref. 二(倍), 复, 重, 双, 两
【医】 二, 两, 双
词型变化：
异体字:bin-英语解释：
名词 bi-:
a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals同义词：bismuth, Bi, atomic number 83