Certainly, there are people over age 75 who have had cancers detected by routine screening, and gained several extra years of life because of treatment.
出自-2012年12月阅读原文
So when a French submarine (潜水艇) detected the device's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed.
出自-2010年6月阅读原文