insubstantial

汉语翻译：
a. 脆弱的, 无实体的, 非实质的词型变化：
名词:insubstantiality英语解释：
形容词 insubstantial:

lacking material form or substance; unreal同义词：unsubstantial, unreal

lacking in nutritive value同义词：jejune

例句：

Something unreal, insubstantial, or imaginary.幻想不真实，不实在，或被想象出来的某个事物

Early aircraft were insubstantial constructions of wood and glue.早期的飞行器是木头和胶粘合的脆弱机器。

详细解释：
in.sub.stan.tial
adj.（形容词）
Lacking substance or reality.See Synonyms at immaterial
缺乏实质或现实性的参见 immaterial
Not firm or solid; flimsy.
不坚固或不实在；脆弱的
Delicate; fine.
精致的；精美的
【引伸】
in.substan.tial.ity