A. 心理 B. 运动 C. 技术 D. 战术
A. 结合水分 B. 非结合水 C. 平衡水分 D. 自由水
A triangular flag above or below a ball B. The International Code Signal of distress indicated by "JV" C. A green smoke signal D. Flames on the vessel as from a burning tar barrel