您要查找的是不是：
- I had to sub for the referee, who was sick. 裁判病了，我得代为裁判。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- The sub can outrun any destroyer. 这艘潜水艇比任何驱逐舰航行得都快。
- I have to sub on her for the new car I want to buy. 要买那辆新车，我得向她借点儿钱。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- Everyone uncovered when the signal sounded. 信号响时，人人脱帽致敬。
- Clive Walker came on as a sub and starred. 克里夫-沃克替补上场，大放异彩。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
- TRANSHIPMENT SUB ARTICLE 23D IS NOT APPLICABLE. 23D条款下面的转运不适合。
- A red lamp is used as a danger signal. 红灯用作危险信号。
- I have to sub for the referee, who is sick. 裁判病了，我得代为裁判。
- Send out a distress signal; the ship is sinking. 船正在下沉，发遇险信号吧。
- I corrected my watch by the time signal. 我按报时信号校正我的表。
