解决了最初的一些问题之后，终于成功地制造出了大量丙酮。After some initial problems, acetone was successfully produced in quantity.这两个氨基酸从丙酮酸获得它们的碳架.These two amino acids derive their carbon skeletons from pyruvate.将乙酰丙酮铁, 苯基B- 萘胺及磷脂通过40目筛加入.The fer...
在森林中徒步旅行时，即便带的是便携式摄像机也非常费力。Even carrying the camcorder while hiking in the forest was an effort.数字剪辑、数码特效以及数码摄像机改变了电影摄制方式。Filmmaking was transformed by digital editing, digital f/x, and digicams.摄影师用摄像机为后代记录下了这个场景。A phot...
她打算改动这件女服的装饰.She was about to alter the trimmings of the dress.那种女服已过时了.That dress is out.她匆匆忙忙地缝制了一件今晚演出时穿的女服.She stitched up a dress to wear at tonight's performance....