The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....
She made history come alive with tales from her own memories.通过讲述自己记忆中的故事，她把逝去的岁月变得生动起来。The doctor's voice had come alive and his small eyes shone.医生的嗓音恢复了活力，两只小眼睛也有了神采。Deptford had come alive with the advent of the...
《终结者2》的票房最终达到了两亿美元，被认为是收回了影片的制作成本。"Terminator 2" finally made $200 million, which was considered to be the break-even point for the picture.终结者当上加州州长你不感到奇怪?Aren't you surprised the Terminator is the governor of Cali...
The sonobuoy permits recording a refraction profile with only one ship.声纳浮标允许只以一艘船来记录折射剖面.Football is a high profile business...足球是一个引人注目的产业。The newspaper publishes a profile of a leading sportsman every week.该报每周刊登一篇关于一...
谁都无法将埃姆平汉教堂疙瘩嶙峋的尖顶弄直。No one would dream of straightening out the knobbly spire at Empingham Church.拉了好久才把缆绳解开弄直.After much tugging, the rope untangled itself and straightened out.体操有助于弄直受伤的手臂.Exercise helped to straighte...