board a ship短语¹⁴⁴⁹⁷²⁺² 基本例句 登船,上船 Therefore, the crew's psychology and the characteristics of their behaviour in emergency are analysed and the responsibility of the political ideological work on board a ship is defined. 为此，本文分析和探讨了海上险恶情况下的船员心理、行为活动的特征以及船员思想政治工作的任务。 cnki