东挖西掘后留下了一片废弃的矿坑。All that digging had left a network of abandoned mines and tunnels.他们在一排废弃火炮旁停了下来。They stopped beside a battery of abandoned guns.矿井废弃了。The mine was a dud....
The chronometer - maker's expert hand plays an essential role in this process.生产精密时计的专家们的手工调试在这一工序中起着关键性的作用.a chronometer on a ship船上的精密仪记时计It is use in navigation, chronometer, and weather and so on.用于导航 、 天文和气象等领域...