O 开头单词

obstinacies n.顽固；(病痛等)难治

obstetrics-gynecology 妇产科学

obstetrics-gynaecology 妇产科学

obstetrics and gynaecology 妇产科学。

obstetrics (n.)

obstetrics n.产科学；助产术

obstetrician-gynecologist 妇产科医师

obstetrician hand [医药科学]助产士手

obstetrician and gynecologist 妇产科医生 妇产科医师

obstetrician (n.)

obstetrician n.产科医生

obstetrically adj.产科的=obstetrical.

obstetrical sling [医药科学]产科吊绳

obstetrical sheet [材料科学]产科用床单纸

obstetrical halter [医药科学]产科绞索

obstetrical department 产科

obstetrical adj.产科的=obstetric.

obstetric vacuum cup [医药科学]产科吸杯

obstetric stethoscope [医药科学]产科听诊器

obstetric forceps delivery [医药科学]产钳术