单词	murmur--endocardial
释义	murmur，endocardial心内杂音
随便看	difficult to advance difficult to avoid difficult to avoid a feeling of attachment difficult to avoid the feeling of attachment difficult to bear difficult to be lenient difficult to believe difficult to comprehend difficult to comprehend, difficult to distinguish difficult to effect difficult to enter difficult to enumerate difficult to fulfill the duties of a responsible office difficult to handle difficult to learn difficult to manage difficult to obtain difficult to obtain, difficult to particularize difficult to part with difficult to perform difficult to perform, difficult to please difficult to preserve life