He was a slim, solemn, darkly handsome young man.他是个身材修长、表情庄重、皮肤黝黑的帅小伙。Erica was solemn, pulling at her blonde curls.埃丽卡表情严肃，扯着自己卷曲的金发。His face suddenly turned solemn, his voice confidential.他脸上的神情突然严肃起来，声音也压低了。...
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....