ex·pe·di·tion/ˏɛkspɪ`dɪʃən; ˌekspɪˈdɪʃən/ n [C] 1 a long and carefully organized journey, especially to a dangerous place 远征，探险: an expedition to the North Pole 北极探险 2 a short trip made for a particular purpose 〔有特定目的的〕短途出行: a shopping expedition 上街购物