When an urgent alarm comes, you rush at a kind of blockhouse, fire with your machine gun or throw out grenades, and finally you put on some posters to clean up the battle field.是什么意思_When an urgent alarm comes, you rush at a kind of blockhouse, fire with your machine gun or throw out grenades, and finally you put on some posters to clean up the battle field.在线翻译_英语_读音_用法_例句