4周搞定2000+托福核心词
insubstantial
常考释义
adj. 不坚固的；稀薄的；脆弱的；不多的
The evidence against her was insubstantial.
对她不利的证据不够充分。
Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
火星的大气层非常稀薄，几乎完全由二氧化碳组成。
Her limbs were insubstantial, almost transparent.
她的四肢非常纤弱，几乎是透明的。
The project had already cost a not insubstantial amount of money.
该项目已耗费了不菲的资金。
adj. 非实在的；幻想的<诗>
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