OB

• abbr. 实况无线电广播 (=outside broadcast)
• abbr. 向船外 (=outboard)

英英释义

Noun:

1. a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea

2. the branch of medicine dealing with childbirth and care of the mother

近反义词

【近义词】

• obstetrics 产科学
• Ob River 鄂毕河[俄罗斯]...
• midwifery 助产术
• tocology 产科学