她直奔西蒙的房间，敲了敲门。She went directly to Simon's apartment and knocked on the door.其他任何人来敲门，我都决意将其拒之门外。I was set to shut out anyone else who came knocking.我一敲门，卡萝尔就来开了。Carol answered the door as soon as I knocked....
我们募捐了478英镑, 一位非常慷慨的捐款人凑足到500英镑.We collected ￡478 , but a very generous benefactor made it up to ￡500.随信附上捐款人的名单.A list of the names of the contributors is enclosed herewith.本园将会为捐款人发出正式收据.Official receipt will be issued ...
活跃的脂肪酶与圆球体的膜相结合.Active lipase is associated with the membrane of the spherosomes.脂肪酶仅在碱溶液中才起作用.Lipase acts only in an alkaline solution.微生物脂肪酶是一类广泛应用于诸多工业领域的生物催化剂.Microbial lipases, as biocatalyst, were widely used in ma...