基本解释[计算机科学技术]字转换速率英汉例句双语例句Too wide a word, not only optimization is difficult, and the cost is high, low SEO conversion rate.过于宽泛的词，不但优化难度大，SEO成本高，转换率低。conversion word rate更多例句专业释义计算机科学技术字转换速率