They refined crude oil into various petroleum products.他们将原油提炼成各种石油产品.ABout 90 % of the waxes in commerce are recovered by dewaxing petroleum.工业用蜡中约有90%是由石油中回收的.The petroleum exploration geologist working with subsurface...
我去踢球却踢了个空。I went to kick the ball and I completely missed it.为了在休赛期间保持状态，我常打网球或踢足球。To stay fit off season, I play tennis or football.基冈为南安普敦队踢了两个赛季，共上场68次，进球37个。Keegan made 68 appearances in two seasons for Southampton, ...
Other tests such as serum enzyme, immunoglobulin, complement, lipase inhibitors and antitrypsin were normal.其他检查如血清酶 、 免疫球蛋白 、 补体 、 脂酶抑制因子和抗胰蛋白酶均正常.Metabolic diseases such as Wilson's disease, hemochromatosis, and a...