| 释义 |
〔infirm〕Not strong or stable; shaky:不坚固的：不强大的，不牢靠的；不坚定的：〔thin〕Lacking force or substance; flimsy:薄弱的：缺乏力量或不坚固的；脆弱的：〔insubstantial〕Not firm or solid; flimsy.不坚固或不实在；脆弱的〔cardboard〕Flimsy; insubstantial.脆弱的：不结实的；不坚固的〔till〕Glacial drift composed of an unconsolidated, heterogeneous mixture of clay, sand, pebbles, cobbles, and boulders.冰碛，冰碛物：由粘土、沙子、石子、圆石及斫石等多种成分混合构成的不坚固的冰渍物 |