underway /ˈʌndəˈwei]/ adj.& adv.  在进行中的：Road and bridge construction is underway.公路和桥梁正在建设中。The train has had to stop briefly, but it should be underway again soon. 火车不得不作短暂停留，但应该马上重新上路。The ship finally got underway.轮船终于启航了。