灯丝在电灯中电加时成白炽状态。A fine wire is heated electrically to incandescence in an electric lamp.电子显微镜中的电子源,是一加热的灯丝.The source of electrons in an electron microscope is a heated filament.电子从热灯丝逸出,叫做热电子发射.The liberation of electron...
He's been pinching money from the cashbox.他一直在偷钱箱里的钱.He led his life , pinching and scraping.他省吃俭用地过日子.Her flat head and nose were made by pinching the clay between the forefingers.她的平头和鼻子都作出捏食指之间的粘土.Frieda grinned,...
硼砂洋红:一种用来在光学显微镜下染细胞核的染料.Borax carmine A dye used to stain nuclei for light microscopy.成熟的虫体内含有大量的洋红酸, 大约占干虫体重的19%~24%.Mature insect contained carmine acid, accounting for 19 % - 24 % of fuck insect weight.在彩印方面, 它们是: 洋红,...
Adults are the breadwinners for their families, asas relying on the children.大人是家庭的经济支柱, 也是孩子的依靠.But the most vulnerable are those aged 40 and above. Likely to be the sole breadwinners.不过最为脆弱的,应该是40岁以上, 靠自己一份收入撑起整个家的中年人....
在外行人眼里，这些孩子表现正常。To the untrained eye, the children were behaving ordinarily.这些专门术语是外行人难以理解的.These technical terms are difficult for the layman to understand.也许外行人看不出来，但是逃不过有经验的采石工人的眼睛。This may not be visible to the unini...
在他去世前几年,他改进了用甘蔗渣制纸浆的方法.A few years before his death he perfected a method of converting bagasse into paper pulp.并且,一旦把糖分取出,就只剩下称之为甘蔗渣的废料.And once you've taken that out you are left with a waste product called bagass...
需要有一种新方法求取气源岩的产气率.How to get gas hydrocarbon generation of a source rock?在许多调味品种,检出大肠杆菌,芽样芽孢杆菌, 产气荚膜梭状芽胞杆菌和沙门氏菌.Coliforms , B . cereus , C . porringers, and Salmonella species have been detected in most spices.互生培养促进了酵母茵...
The President pledged himself to increase taxes for the rich but not the middle classes...总统保证增加对富人而非中产阶级的税收。They have pledged their support for our case.他们已发誓支持我们的诉讼。They have already pledged billions of dollars in aid....
His death rocked the fashion business.他的去世震惊了整个时装界。The coach rocked dangerously.那辆长途汽车危险地颠簸摇晃。The frail craft rocked as he clambered in.他爬进来的时候，那件易碎的工艺品摇晃起来。...