《英汉医学词典》parallel β pleated sheet 平行β折叠 pleated sheet: 片层; 折叠片; 褶板beta pleated sheet: 折叠片beta-pleated sheet: β-折叠片pleated sheet structure: 折叠结构; 折叠片状结构; 摺叠结构polar pleated sheet: 极性折叠片下载手机词典可随时随地查词查翻译