单词	歷盡安危
释义	同EXPERIENCE
随便看	permanent agriculture permanent alkalinity permanent alopecia permanent alveolus permanent anode permanent anticyclone permanent asset permanent assets permanent aurora permanent auxiliaries b car circuit breaker permanent axis permanent--axis permanent ballast permanent ballast--permant ballast permanent bar permanent bar--constant bar permanent base level permanent basis permanent bench mark permanent benchmark permanent bench mark(p.m.b) permanent blind permanent blind distance permanent blocking permanent braking