照相标题字: 用照相方法经菲林母片影排标题字的方法.Photolettering: Method of setting display sized type photographically from film master.标题字机: 专门排标题大字的机器.Headliner: Machine to produce larger sizes of type for headings....
Listen to him prating on about nothing.听他瞎唠叨.He is always prating about her wealthy relations, if anybody cared.他总是对别人炫耀她的阔亲戚, 好像别人对此感兴趣似的.The silly young man was prating about a subject of which he knew nothing.那个傻里傻气的年...
再将硝酸纤维素滤膜置于含碱的湿滤纸上, 碱的作用是使DNA变性.The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.使用不同的碱性调节剂,制备不含碱的新型氨基磺酸系高效减水剂.A new alkali - free amino sulfonic acid - based supe...