semaphore['seməfɔ:]n.1.■信号;旗语2.■旗语通讯3.■信号装置;(铁路的)臂板信号机vt.1.■用信号(或旗语)向…发出(信息):to semaphore a caution to the class向全班学生发出警告vi.1.■发信号;打旗语:You're going into the room,if there's some activity, semaphore !你进去,如果屋里有情况,就发信号!变形vt.semaphoredsemaphoring
semaphoresemaphore[ˈseməfɔ:]n.1.■(铁路的)臂板信号(机)2.■信号灯[旗]