A glass or quartz tube has tungsten electrodes sealed in each end.两根钨丝电极是封在玻璃管或石英管的两端.She sealed the letter.她把信封上了。The milk was sterilized and sealed in bottles.牛奶经过灭菌处理后被封装在瓶子里。She merely filled the containers, sealed t...
She glanced briefly at his lapel badge.她扫了一眼他翻领上的徽章.Every student should carry a school badge.每个学生都应该佩带校徽.The scepter is the king's badge of office.权杖是国王地位的象征....
He is not such an idealist that he cannot see the problems.他并非看不见问题的理想主义者。He is a political pragmatist, not an idealist.他是政治上的实用主义者，而不是理想主义者。This is a heated debate which involves materialist as opposed to idealist views...
It is cool and filter the precipitated caesium dichloroiodide.这是冷却,滤出沉淀的二氯碘化铯.Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.铯-137是一种放射性同位素, 主要由核分裂产生.Caesium is one of the radio - contamina...
Handles are a boon to designers because they can also indicate selection.控制柄让设计者受益匪浅,因为它们还可以指示选择.Statistics indicate visitors use a wide variety of browsers and platforms.访谒者操作的欣赏器与平台多种多样.Age determination data indicate ...