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单词	amniocentesis
释义	amniocentesis /ˌamnɪəʊsɛnˈtiːsɪs / noun (plural amniocenteses /ˌamnɪəʊsɛnˈtiːsiːz/) A process in which amniotic fluid is sampled using a hollow needle inserted into the uterus, to screen for abnormalities in the developing fetus.The whole process is called an amniocentesis, or amnio, in the vernacular.... In amniocentesis, the health care provider inserts a thin needle through the woman's abdomen. Between the 15th and 18th weeks of pregnancy, the mother can also have an amniocentesis to screen for the Tay-Sachs gene. Origin 1950s: from amnion + Greek kentēsis 'pricking' (from kentein 'to prick'). Rhymes anamnesis, ascesis, catechesis, diesis, exegesis, mimesis, prosthesis, psychokinesis, telekinesis
随便看	the Court Circular the Craft the cream of the crop the Creation the Creator the Creed the Crescent the Cross the Crown the Crucifixion the Curragh the cut of someone's jib the damage is done the dark ages the darkest hour is just before the dawn the dead heart (also the dead centre) the dead of night the dead of winter the dead ring of the deal the debit side the deep end the Deity the Depression the deuce to pay

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。