单词	科学研究卫星
释义	科学研究卫星scientific research satellite
随便看	chain switch; selective switch; selector switch chain switch-- selector switch-- selective switch chain tackle block chain tappet chain tensioner chain tension spocket chain terminal chain terminating agent chain terminating agent-- chain terminator chain terminating agent; chain terminator chain-terminating codon chain-terminating mutation chain termination chain termination agent chain termination method chain termination reaction chain terminator chain tester chain testing machine chain testing machine (chain tester) chain the prisoner chain threading chain tightener chain timber chain tongs