dynamic period
美 英
例句
Study the inhibitive effect on growth of Alternaria altemata during dynamic period of biogas fermentation
沼氣發(fā)酵動(dòng)態(tài)時(shí)段料液對煙草赤星菌抑制作用的研究
a dynamic period in history
歷史上一個(gè)很有生氣的時(shí)代