obligatory
专性寄生
obligatory parasitism
相关词条
obligatory parasite
obligatory parasite
obligatory maturity【会计】
non-obligatory act
strictly aerobic bacteria;obligatory aerobic bacteria
obligatory treaty
abolishment of obligatory payments in gold【金融】
obligatory parasitism
obligatory
obligatory parasite
obligatory parasite
obligatory maturity【会计】
non-obligatory act
strictly aerobic bacteria;obligatory aerobic bacteria
obligatory treaty
abolishment of obligatory payments in gold【金融】