Tall and straight as an arrow he stood, facing a cold, penetrating wind - truly a picture of a sturdy man, even though in his eighties.
他高高的个子，笔直地站在那里，凛冽的寒风中一个强健的男人的身姿，尽管那时他已经有八十多岁了。
The water tunnel and wind tunnel test on arrow aims to make clear the hydrodynamics performance of arrows and to improve the technical know-how of archery movement.
为分析箭的流体力学性能，进而完善射箭动作技术理论，对箭进行了水洞和风洞实验。
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