围裙是做脏活时的保护物.An apron is a protection when doing dirty work.各种维生素都是保护物,能对抗某些养素缺乏症.Vitamins are protectives against certain deficiency disease.钢铁制品常常涂上一层保护物,以免生锈.Steel and iron products are often coated lest they should ru...
Dewax are first done by boiling and second by warm water.退蜡沸水退蜡,二次退蜡用温水.The dewax rate is controlled by the diffusion of paraffin wax in poly propylene.热脱蜡的动力学控制步骤为石蜡在聚丙烯中的扩散过程....
The hydrogenation of diene compound and carbonyl group with yeasts was studied.对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.EPDM is a terpolymer elastomer made from ethylene - propylene diene monomer.epdm是一种由乙烯 - 丙烯、二烯单聚物构成的三元共聚物弹性材料.The...
But she , with a pucker in her brows, was watching Rhett.可思嘉正蹙着眉头在看瑞德.You gotta pucker up your lips, like this . Hm.你必须撅起你的双唇, 就像这样.This waistcoat has a propensity to pucker up over the chest.这件背心的胸部常常要皱拢来....
I have $100m hidden away where no one will ever find it.我把1亿美元藏到了一个永远没人会找到的地方。He wiped away the blood with a paper napkin.他用纸巾将血迹擦去。Her bed was crisply made, her clothes put away.她的床收拾得很整洁,衣服也收起来了。...
She has been nominated for the presidency.她已经获得了董事长职位的提名。The movie was nominated for an Oscar.这部电影获奥斯卡金像奖提名。He was nominated ( as ) Ministor of Finance.他被任命为财政部长....