fragileadj.易碎的；脆的；精细的；虚弱的fragile projectile易碎弹fragile X syndrome脆性X染色体综合症fragile watermarks脆弱数字水印fragile scrambling脆弱置乱fragile male scholar文弱书生fragile watermarking脆弱水印fragile ecology area生态脆弱地区fragile codium frond水松fragile elder people老年fragile X chromosome脆[性]X染色体