monacidmonatomic acidmonoacidmonoatomic acidmonobasic acidmonobasicacidmonohydric acidmonoprotic acid一元酸;单元酸: monoacid单一元酸: monobasicacid二羟一元酸: monobasic dihydroxy-acid四羟一元酸: monobasic tetrahydroxy-acid一元酸酯: monobasic acid ester下载手机词典可随时随地查词查翻译