转身
70.触池壁：touch
71.蹬壁：pushoff
72.转身：turn
73.水平转身：horizontal turn；feathering
74.平转身（仰泳）：pivot turn
75.侧[拉边]转身：lateral turn; tumble-turn
76.滚翻：flip over
77.滚翻转身：flip-turn; somersault turn
78.半滚翻转身：semi-flip turn
