Read Edit View history 史前期 shǐqiánqī prehistoric period Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 史前期 shǐqiánqī prehistoric period the period of time before written history was recorded Edit Delete References Add reference synonym 史前时代/史前時代 → 史前期/史前期 Edit Delete
史前期 shǐqiánqī prehistoric period the period of time before written history was recorded Edit Delete