A. 夏天 B. 春天 C. 秋天 D. 冬天
A. Onavessel,linesaremadefastonbollards. B. Onshore,linesaremadefastonbollards. C. Onboard,linesaremadefastonbitts. D. Onboard,linesaremadefastonbollards.
A. 擦拭 B. 拍打 C. 抽打 D. 抚摸
A. 机场平面 B. 平均海平面 C. 跑道末端
A. Sendropetoshore. B. Sendheavylinetoshore. C. Sendheavinglineashore. D. Sendlightlineashore.