invisible /ɪnˈvɪzəbəl/ adjective Learner's definition of INVISIBLE
1
: impossible to see : not visible看不见的；无形的 -
Sound waves are invisible.声波是看不见的。
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a thriller about an invisible man一部关于隐形人的惊悚片
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With the telescope we can see details of the planet's surface that are ordinarily invisible.我们可以借助望远镜看到这颗行星表面通常看不到的细微之处。
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It felt like I was invisible at the party. [=no one was paying any attention to me at the party]在晚会上我就像个隐形人一样。
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She feels as if her success is being blocked by an invisible barrier.她感觉好像有一个无形的障碍挡住了她通往成功的路。
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Homelessness is no longer an invisible problem for this city.无家可归不再是这个城市的隐性问题。
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a letter written in invisible ink [=ink that can only be seen when it is specially treated in some way]用隐形墨水写的信
2
chiefly British, finance —
used to describe money from foreign countries that is received from providing services (such as banking and tourism) rather than from selling products无形的（指外贸收益，与服务而非实物商品有关，如来自银行业、旅游业的收益） -
invisible earnings无形收益
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invisible exports无形输出
— invisibility
/ɪnˌvɪzəˈbɪləti/ noun [noncount] — invisibly
/ɪnˈvɪzəbli/ adverb