signaln.信号;标志v.(发信号)通知、表示adj.显著的
signal tone信号音
signal coden.通信密码
signal node信号结,魏尔啸氏结,魏尔啸氏腺
signal data标志性数据
signal lampn.信号灯
signal mine照明雷
signal hair信号毛
signal peak信号峰
signal bias信号偏移
signal mast信号柱,信号杆
"signalize a busy intersection"
"He signed his disapproval with a dismissive hand gesture"
"The diner signaled the waiters to bring the menu"