n. 

甲烷
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bipyramidal,
biquadrate,
biquadratic,
biquadratic equation,
biquarterly,
biquartz,
biquaternion,
biquinary,
biquinolyl,
BIR,
相似单词
triphenylchloromethane,
triphenylchlorosilicane,
triphenylene,
triphenylethylene,
triphenylhydrazine,
triphenylmethane,
triphenylmethyl,
triphenyl-oxazole,
triphenylphosphine,
triphenylsilyl,