高中英文參考詞彙表：第三級 N, O

naked
nap
napkin
native
navy
neat
necessity
necktie
neighborhood
nest
nickname
normal
novelist
nun

oak
observe
occasion
odd
omit
ongoing
onion
onto
operation
opportunity
opposite
optimistic
oral
organic
organize
original
outdoor
outdoors
outer
outline
oven
overseas
owe
owl
ownership
ox