词汇	primary stem villus
释义	primary stem villus 初级绒毛干
随便看	left-at-home children Left-at-home women problems left a trail of broken promises Left a trail of broken promises leftatria-cardiogram left atria cardiogram left atria-cardiogram left atrial myxoma Left atrial myxoma removed surgically left atrial neovascularization left atrial notch left atrial overloading left atrial pacing Left atrial left atrial abnormal left atrial abnormality left atrial abnormity left atrial activation left atrial anterior and posterior diameter left atrial aortic combined incision left atrial-aortic combined incision left atrial appendage Left atrial appendage function left atrial appendage thrombus left atrial appendge