正面 | 20068.unattainable 英 [ʌnə'teɪnəb(ə)l]美 [,ʌnə'tenəbl] ![]() ![]() ![]() ![]() |
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背面 | ![]() ![]() ![]() ![]() 释义: 1、val- "be strong" + -id.2、含义:strong, effective, having force in law, legally binding, supported by facts or authority.3、in- "not" + valid.adj. 做不到的;难到达的 例句: 1. There are those who argue that true independent advice is unattainable.有一些人认为真正独立的意见是不存在的。 unattainable (adj.)1660s, from un- (1) "not" + attainable." |
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