He'll also need to deal with the unknown and potentially tricky effects of transonic speed (that is, approaching Mach 1) on the human body.
他还需要处理跨音速未知的和潜在的微妙影响(即，对人体接近1马赫)。
He'll also need to deal with the unknown and potentially tricky effects of transonic speed (that is, approaching Mach 1) on the human body.
他还需要处理跨音速未知的和潜在的微妙影响(即，对人体接近1马赫)。
应用推荐