He spray, which is harmless to the environment, can be used to protect against disease, guard vineyards against fungal threats and coat the nosecones of high-speed trains, it has been claimed.
据称,一种对环境无害的喷雾能用来预防疾病、防范真菌对葡萄园的威胁,覆盖高速列车的鼻锥。
2
All aircraft generate two cones, at the nose and at the tail.