1. Inspection technology allows more than 100 million measurements a second to be made across the ribbon, locating flaws the unaided eye would be unable to see. 检测技术可以在一秒钟内对玻璃带进行超过1亿次的测量，从而定位肉眼无法看到的瑕疵。
2. He can now walk unaided. 他现在能独自行走了。
3. There have been at least thirteen previous attempts to reach the North Pole unaided. 以前至少有十三次尝试独立到达南极的努力。
4. Almost 80% of those in the 1994 survey could complete everyday activities ranging from eating and dressing unaided to complex tasks such as cooking and managing their finances. 在1994年的调查中，他们中近80%能够完成日常的活动，从独立吃饭、穿衣到完成像做饭、理财这样的复杂任务。
