英语词汇unavailability的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	unavailability
词根词缀	Online Etymology Dictionary unavailability n. 1855, from un-(2) "opposite of" + availability, or else from unavailable + -ity.
随便看	yclept ye yea yeah yean yeanling year yearbook yearling year-long yearly yearn yearning -year-old year-round yeast yeasty yeg- yegg yek- yell yelling yellow yellowcake yellow journalism

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