单词	tax-free bond
释义	tax-free bond 无税公债
随便看	X-ray spot size X rays protecting chair x-rays protecting chair x-rays protecting spectacles X ray spuctrum x-ray spuctrum x-raysroentgen rays x-ray standard x ray star X-ray star X-ray stars X X-ray star, X-ray source x ray step and repeat printer x ray stepper X ray stereogram x-ray stereogram X-ray stereometry X ray stereo microradiography x-ray stereo-microradiography x-ray stereophotogrammetry X ray stereophotography x-ray stereophotography X-ray stereoscopy x-ray stereo television x ray sterogram