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- worn until no longer useful. 破旧的无法再使用的。
- Worn or used until no longer usable or effective. 磨损的，损坏的穿破的，用坏的以至完全无用的
- Scientists are searching for ways to destroy nuclear weapons powerless and no longer useful. 科学家们正在探索在空间摧毁核武器的方法－也就是使该武器失去威力或不再起作用。
- Of course,some offices are no longer useful and we should reorganize them. 当然也有的原来的机构不能用，要抓紧调整。
- Of course, some offices are no longer useful and we should reorganize them. 当然也有的原来的机构不能用，要抓紧调整。
- The machine had outlived its usefulness(= was no longer useful). 这机器已无用了。
- worn or used until no longer usable or effective 磨损的，损坏的穿破的，用坏的以至完全无用的
- Meanwhile, in a large skillet, saute the chicken, onion and garlic in butter until no longer pink. 同时，在一个大平底锅，放黄油融化，炒鸡肉，洋葱，蒜。直到鸡肉不再粉红色。
- Obama is vowing to get rid of programs that are no longer useful or exist thanks to the power of politicians. 奥巴马发誓说他会去除那些无用的或者由于政客权利存在的程序。
- This pair of fire tongs has been broken, it is no longer useful for holding coal. 这个火剪已经坏掉了，夹不起碳来了。
- Old batteries can't be discarded casually even when they are no longer useful, because they'll pollute the environment! 废旧电池即使没有了使用价值也不可随手乱丢，因为它们会污染环境！
- Physical design structures may accumulate over time in a database, and database administrators need a way to drop those structures that are no longer useful. 数据库中的物理设计结构会随时间积累,数据库管理员需要一种删除无用结构的方法。
- Nonetheless, although the skills are no longer useful, I don't mean to imply that the three years of training as an apprentice didn't bring me many benefits. 不过，这点本事虽不能永远有用，可是三年的学艺并非没有很大的好处，这点好处教我一辈子享用不尽。
- When he retired,he felt that he had outlived his usefulness,ie was no longer useful. 他退休时方觉得自己年老无用了。
- When he retired he felt that he had outlived his usefulness, ie was no longer useful. 他退休时方觉得自己年老无用了。
- The need for "planned abandonment." Corporations as well as governments have a natural human tendency to cling to "yesterday's successes" rather than seeing when they are no longer useful. 需要“逐步放弃”一些东西。公司以及政府都有一种本能的倾向,过分沉浸于“昨日的成功”,而忽视了这些昔日带来成功的举措已不再有效。
- The sign was no longer legible because much of the lettering had worn away. 这块招牌已看不清楚，因为大部分字已磨掉了。
- The children ate and ate until no food. 孩子们一直吃到桌上不剩菜。
- Short skirts are no longer in vogue in Britain. 在英国，短裙现在不流行了。
- Reflux the mixture until no tin remains. 回流此混合物直至没有锡剩下。
