Concentration of Ara - C in plasma and cerebrospinal fluid ( CSF ) was determined by HPLC.采用高效液相色谱法 ( HPLC ) 测定血浆和脑脊液中Ara -C 浓度.Such posters hung on the trains and in the ARA canteens but they were often concealed.这样的海报被...
He casts up his accounts at the end of each day.每天结束时他都结一次账.The tree casts a shadow on the ground.树的影子映在地上.Peony casts the other flowers into the shade.牡丹使其他的花逊色....