强震前兆: forerunner earthquakeforerunner of strong earthquake
成功: 1.(获得预期的结果) success; succeed; successful 短语和例子失败是成功之母。 failure is the mother of success. 这项计划非常成功。 this plan was a great success.最近人们已经成功地把太阳光直接转化为电能。 quite recently man has succeeded in c
