jettisonKK [ˋdʒɛtɪsən] /ˈdʒɛtɪsən/发音动词1抛弃、放弃、舍弃The company jettisoned the plan after costs kept rising.成本不断上升后,公司便放弃了这个计划。2投弃、丢弃The crew jettisoned the cargo to keep the ship afloat.船员把货物投入海中,以免船只下沉。3抛掷、抛下多指从飞机或太空船The pilot jettisoned the fuel tanks before the emergency landing.飞行员在紧急降落前抛弃了油箱。用这个字练口说→