词汇	x-ray pectrometer
释义	x-ray pectrometer X射线分光计
随便看	a threadbare beggar a threadbare coat A threadlike anatomical structure A threadlike anatomical structure;a filament A threadlike anatomical structure; a filament athread of hope a thread of hope a thread of light A thread of smoke is wisping out of the funnel A thread of sorrow winds through her poetry a thread of water A thread to discuss it A thread with partial silk a thready pulse a thready voice a threat to society a threat to sth a-three a three-acre wood a three-bedroomed house a three-box reversal criterion a three chart card a three-cornered contest a three-cornered fight a three-corner hat