The smelling of ammonia brought himaround.嗅氨使他恢复了意识.In some ways, anhydrous ammonia is just as safe to handle as gasoline.在某种程度上说, 无水氨使用起来与汽油一样安全.Glutamine rather than ammonia may be the preferential substrate.谷酰胺可能是比氨还要...
She sat scanning the yellowing pages.她坐着浏览发黄的书页。Yellowing receipts had been impaled on a metal spike.发黄的收据被穿在一根金属钉上。The leaves of the book were yellowing with age.书叶因年久而发黄....