1)distress rocket,遇险信号火箭2)distress signal rocket,遇险信号火箭3)in Distress,遇险4)in danger,海上遇险5)report in distress,遇险报告6)survivor,遇险者7)Distress Alert,遇险报警8)Ships in distress,遇险船舶9)crew in distress,遇险船员10)distress telephone,遇险电话
用法和例句
The Research on Pre-planned Emergency Response Scheme for Ferry Ship in Distress;
