expedition

探险；探险队英释nna long and carefully organized journey, especially to a dangerous or unfamiliar place, or the people that make this journey

The 1986 Challenger space-shuttle ______ was caused by unusually low temperatures immediately before the launch.句意： 1986年挑战者号航天飞机的灾难是由于起飞前的异常低温引起的。dismay： 沮丧； 惊慌； controversy： 辩论， 论战。414disaster

1 fishing expedition,审前盘问；非法调查

1 an expedition to the North Pole.北极探险

2 another Qomolangma expedition.又一次珠穆朗玛峰探险