avrumCOCA¹⁸¹⁸⁵⁸ 例句 Another, as yet unpublished, study by Avrum Spira, a pulmonary specialist at Boston University, Massachusetts, supports the notion that smoking itself induces the long-lasting genetic changes. 迄今尚未发表的马萨诸塞州波士顿大学肺科专家 Avrum Spira进行的另一项研究认为，吸烟本身诱发了长期的基因变异。 dxy