OB [
əub, ɔ:b]
n. 洋底(实况无线电广播,向船外)
ob[ noun ]- a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea
<noun.object>
- the branch of medicine dealing with childbirth and care of the mother
<noun.cognition>
- "Lab coats are in the nurses' lounge, and on hall trees in the OB department.
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