cardiotonic的意思？

cardiotonic的音标：cardiotonic的英式发音音标为：[kɑ:dɪəʊ'tɒnɪk]cardiotonic的美式发音音标为：[kɑdɪoʊ'tɒnɪk]...

His heart halted suddenly, the doctor injected him with a cardiotonic needle.他心脏骤停, 医生赶紧为他注射了强心针.Abstract : Objective : To investigate the cardiotonic effect of the extract from Dendranthema morifolium ( Ramat ) Tzvel ( ...