词汇	activity education
释义	activity education 活动教育
随便看	simple portfolio simple position sensor simple postfix translation simple post-fix translation simple postil simple potato crusher simple potentiometer simple power analysis simple power lathe simple power leakage model simple power system simple PPI shoal of fish finder simple PPI sonar simple precedence function simple precedence functions simple precedence grammar simple precedence language simple precedence relation simple precedence technique simple predicate simple predicted method simple predictor simple premium simple premium policy simple preparation