His classmates were labouring with elementary algebra.他的同学们正在绞尽脑汁地演算初等代数题.He served as an elementary-school custodian for 20 years.他当小学管理员20年了。an elementary English course基础英语课程Using Greek sources, he compiled in Latin s...
A proton is an elementary particle of matter.质子是物质的基本粒子。an elementary English course基础英语课程Their course of study includes elementary hygiene and medical theory.他们的课程包括基础卫生学和医疗知识....
One percent phenyl - beta - naphthylamine was added to the recovered polymer as an antioxidant.将1%苯基 - β - 萘胺作为抗氧化剂加到所得到的聚合物中.Such compounds might be considered as a special type of antioxidant and classified as inhibito...
Jack had attended these meetings as a matter of routine for years.数年来,杰克把参加这些会议当成是例行公事。I would like your advice on a matter of conscience, Father.我想就一件有关良心的事征求您的建议,神父。The survey's findings are a matter of great conc...