高中英文參考詞彙表：第四級 N, O

namely
nationality
needy
neglect
negotiate
nevertheless
nightmare
noble
nonsense
nowadays
nuclear
numerous
nursery
nutritious

obedience
obedient
objection
objective
observation
obstacle
obtain
occasional
occupation
occupy
offend
offense
offensive
opera
oppose
option
orbit
orchestra
orientation
orphan
otherwise
outcome
outstanding
oval
overcoat
overcome
overlook
overnight
overthrow
oxygen