词汇	an ill omen
释义	an ill omen 不祥之兆
随便看	coagulation electric field coagulation electrode coagulation electrode for fiberscopes coagulation enhancing primary treatment coagulation equilibrium coagulation experiment coagulation experiments coagulation facility coagulation factor coagulation factor activity Coagulation factor assay Coagulation factor C homology Coagulation factor C homology gene coagulation factor decreased coagulation factor deficiency Coagulation factor deficiency syndrome Coagulation factor disorder coagulation factor G coagulation factor, general Coagulation Factor I Coagulation Factor II Coagulation factor II Barcelona variant Coagulation factor II Brussels variant Coagulation factor II Cardeza variant Coagulation factor II Clamart variant