单词	粗粒砂岩
释义	粗粒砂岩 kern stone
随便看	self-mailer self-mailer stationery self-mailing self-maintainance self maintained self maintained circuit self-maintained circuit self maintained discharge self-maintained discharge self-maintained discharge detector self maintained emission self-maintained emission self maintained gas conduction self-maintained gas conduction self-maintained push-button selfmaintaining self maintaining self-maintaining self-maintaining chain reaction self-maintaining dircharge self maintaining discharge self-maintaining discharge selfmaintaining ecosystem self-maintaining nuclear chain self maintaining nuclear chain reaction