observation car
observation post observational observatory observe observed observer observing observingly obsess obsession obsessional obsessive obsessively obsessiveness obsidian obsidianal obsolescence obsolescent obsolescently obsolescentness obsolete obsoleteness obsoletism obstacle obstacle-race obstetric obstetrical obstetrician obstetrics |
observation car /,ɔbzə:'veiʃn'kɑ:/
danh từ
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