Give three long blasts on a police whistle while waving a paddle, helmet or life vest over your head.
Give three long blasts on a police whistle while waving a paddle, helmet or life vest over your head.
吹三声长且响的警报哨声的同时，在头顶上挥动短浆，头盔或者救生衣。
Give three long blasts on a police whistle while waving a paddle, helmet or life vest over your head.
吹三声长且响的警报哨声的同时，在头顶上挥动短浆，头盔或者救生衣。