His hands were begrimed with oil and dirt.他的手被油和污物弄脏.His hands were begrimed with dust.他的手沾满了灰尘.After each tripand sweat begrimed their faces, leaving only three frozen red circles - their eyes and mouth.一趟车拉下来,灰土被汗合成了泥,...
以对氨基水杨酸为原料,经酯化 、 酰化和烃化反应得乙氧苯酯,总收率为87.Ethopabate is prepared via esterification, acylation and alkylation from p - aminosalicylic acid in 87.在阀杆孔内的后座上镀镍,可应用在严酷的烃化环境.Nickel plated overlay on backseat in stem hole to combat...
Are there other universes outside our own?在我们的银河系之外还有别的星系吗 ?VOICE: " Multiverse " is an abbreviation for " multiple universes. "“多元宇宙 ” 就是宇宙有很多重的缩写.Universes might expand, then shrink back to a point, then expand again.宇...