precoveryWiktionary 原文构词拆分pre-前缀Before; physically in front of. · Before; earlier in time; beforehand.+recovery词根/词干词源说明Blend of pre- + recovery.释义（英文）名词 Noun(astronomy) The use of previously gathered data (especially photographic images) to recover a recently discovered object (typically a small solar system body).(slang) The act of resting before a long night, weekend or season of binge drinking.词族相关词（1）precover