obstetrics
obstinacy obstinate obstinately obstinateness obstipant obstipation obstreperous obstreperously obstreperousness obstruct obstructer obstruction obstructionism obstructionist obstructive obstructiveness obstructor obstruent obtain obtainable obtainer obtainment obtect obtected obtest obtestation obtrude obtruder obtruncate |
obstetrics /ɔb'stetriks/
danh từ, số nhiều dùng như số ít
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