unobtainable
英 [ʌnəb'teɪnəb(ə)l]
美[,ʌnəb'tenəbl]
- adj. 难获得的；不能得到的
英英释意
- 1. not capable of being obtained;
- "a rare work, today almost inaccessible"
- "timber is virtually unobtainable in the islands"
- "untouchable resources buried deep within the earth"