相关单词近义词 airiness 通风, fragility 脆弱, weakness 软弱, delicacy 柔弱, frailty 脆弱, feebleness 衰弱, insubstantiality 无实质(不坚固)..., shoddiness shoddy的名词形式...临近词FL, Fleta 返回 flimsiness