n. 

望远镜
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only-in-chain,
ONO,
onocentaurs,
onocol,
on-off,
onomancy,
onomasiology,
onomastic,
onomasticon,
onomastics,
相似单词
Binnell,
binning,
binnite,
bino,
binocle,
binocs,
binocular,
binocular vision,
binoculars,
binoculartelescope,