signal flag
美
英 
英漢解釋
例句
In fact, the third signal flag (from left to right as you face the front door) does not exist in international nautical code.
事實上,第三面信號旗(當你面朝蟹堡王時從左到右數)在國際航海代碼中并不存在。
A fox uses its tail (or "brush" ) as a warm cover in cold weather and as a signal flag to communicate with other foxes.
狐貍用它的尾巴(或“毛刷”)在冷天時蓋上保暖,同其他狐貍交流時亦可用來做信號旗。