Bild形象,雕像,画像,肖像Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bifurcation controlling分叉控制bi-molecular reaction双分子反应biloluminescence method生物发光(分析)法bifrontal decompression双额减压术bilin-binding protein后胆色素结合蛋白bi-qualified teachers全员双师bilirubin glucuronidase胆红素葡葡糖醛酸酶bi-levels programming双层规划bifunctional extractant双官能萃取剂bi-component catalyst双金属系催化剂