n. 
烷基;烷叉
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orbital plane,
orbitale,
orbiter,
orbiting,
orbitocranium,
orbitography,
orbitoid,
orbitonometer,
orbitonometry,
orbitostat,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
n. 
烷基;烷叉
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orchal,
orchard,
orchard grass,
orcharding,
orchardist,
orchardman,
orchards,
orchectomy,
orchestic,
orchestra,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
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Orchidaceae,
orchidaceous,
orchidectomy,
orchidist,
orchidology,
orchidomania,
orchidomaniac,
orchidopexy,
orchidotomy,
orchids,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
n. 
烷基;烷叉
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Orcish,
Orcs,
orculiform,
Orcus,
ORD,
ordain,
ordeal,
order,
order book,
order code,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
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ordering,
orderless,
orderliness,
orderly,
order-picking,
orders,
order-servicing,
ordertopology,
ordertype,
ordinaire,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
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origami,
origan,
origanum,
Origen,
origin,
original,
original sin,
original version,
originality,
originally,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
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Orkney Islands,
Orlando,
orle,
Orleans,
orlite,
orlo,
orloff,
orlon,
orlop,
Orly,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
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ornamentalist,
ornamentalize,
ornamentally,
ornamentation,
ornamented,
ornamenter,
ornamycin,
ornate,
ornately,
ornery,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
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ornithologic,
ornithological,
ornithologist,
ornithology,
ornithomancy,
ornithomimid,
ornithophily,
ornithopod,
Ornithopoda,
ornithopter,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
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orocline,
orofacial,
orogen,
orogenesis,
orogenic,
orogenics,
orogeny,
Orograph,
orography,
orohydrography,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,
n. 
烷基;烷叉
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Oronite,
oronosus,
oropharyngeal,
oropharynx,
orophyte,
orophytia,
orosin,
orosomucoid,
orosomycin,
orotherapy,
相似单词
alkylene,
alkyleneoxide,
alkylferrocene,
alkylic,
alkylide,
alkylidene,
alkylogen,
alkylolysis,
alkylphenol,
alkylphenyl,