潜水学校获得潜水用水肺的特许经营权.The diving school has acquired a franchise for scuba equipment.胃胀使膈升高也会减少肺的容积.Gastric distention may also reduce lung volume by elevating the diaphragm.呼吸道液体是正常肺的主要产物.Respiratory tract fluid is the majo...
No'm , dem air ain'sto's, dey's blockade awfisses.不, 小姐,那不是商店,是实施封锁办事处." But, Miss Scarlett ! Dey mout be hants up dar." 可是, 思嘉小姐,那里一定有鬼." Whut gempmums says an'whut dey thinks is two diffunt thi...
这种反应构成了制备芳基环丙基乙炔的有效方法.This sequence constitutes an efficient method for preparing arylcyclopropylacetylenes.环丙烷基硅醚在卤化锌的作用下能够与硅胶反应生成环丙基醇.Trimethylsilyl cyclopropyl others can react with the gel the cyclopropanols when Lew...