您要查找的是不是：
- A red light is usually a signal of danger. 紅燈通常是危險的信號。
- I stood watching for the signal to change to green. 我站著等待交通信號轉為綠燈。
- Let's set the clock by the radio time signal. 咱們照著收音機的報時信號把鍾對一對。
- A red lamp is often a danger signal. 紅燈常常是危險的信號。
- A reflected signal on a communication channel. 一種在通信通道上反射回來的信號。
- The rise in prices was a signal for rebellion. 物價上漲引起了叛亂。
- A channel over which pilot signal is transmitted. 可在其上傳輸導頻信號的一種通道。
- The signal was picked up by a downrange radar station. 該信號被試驗飛行方向之內的雷達站收到了。
- The driver is winking his lights to signal a turn. 駕駛員打著一閃一閃的燈光信號表示要轉彎。
- Everyone uncovered when the signal sounded. 信號響時，人人脫帽致敬。
- The train must stop when the signal's red. 信號機是紅色時,火車必須停駛。
- A red lamp is used as a danger signal. 紅燈用作危險信號。
- Send out a distress signal; the ship is sinking. 船正在下沉，發遇險信號吧。
- I corrected my watch by the time signal. 我按報時信號校正我的表。
- A decrease in signal power as measured between two points. 信號能量在兩點間測量出來的減小量。參閱signal。
- The President's arrival was the signal for an outburst of cheering. 總統來到爆發一陣歡呼聲。
- The equipment picked up the signal from the satellite. 這設備收到了衛星發出的信號。
- It is the simplest signal to make, in time of danger or disaster. 這是在遇到危險或災難的時候能發出的最簡單的信號。
- Her plea was that she did not see the signal. 她的辯解是說她沒看見信號。
- Her speech yesterday was a signal that her views have changed. 她昨天的講話標誌著她的觀點已經轉變。
