fleeting
adj. 短暂的，飞逝的
v. <文>疾驰，飞逝；使（时间）飞快地过去；转瞬即逝（fleet 的过去式和过去分词）
例句
We paid a fleeting visit to Paris.
我们短暂游览了巴黎。
《牛津词典》
Time is fleeting.; Time flies.
时光飞逝。
《新英汉大辞典》
Tom hinted at things he had to attend to; things that must be done; and time was fleeting.
汤姆暗示了他有事情要处理，必须做的事情，而且时间在飞逝。
