Obs的翻译，读音
释义：
[电] 气象电报
n a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea
n the branch of medicine dealing with childbirth and care of the mother
n a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea
n the branch of medicine dealing with childbirth and care of the mother