单词	unpierceable
释义	unpierceable adjective un·​pierceable "+ : not pierceable Word History First Known Use 15th century, in the meaning defined above
随便看	peripatopsisses peripatus peripatuses peripeteia peripeteias peripetias peripeties peripety periphacitis peripher- quaternaries quaternary quaternary ammonium compound quaternary silver quaternaryes quaternarys quaternate quaternion quaternionists quaternions quaternities quaternity quaterns quaterphenyl quaters

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