柯林斯詞典borax /?b??r?ks/ 1. N-UNCOUNT Borax is a white powder used, for example, in the making of glass and as a cleaning chemical. 硼砂 返回 borax劍橋詞典a white powder used to make glass and cleaning products 硼砂，月石（用於制玻璃和清潔用品） 返回 borax