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- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He retained the best lawyer in the state. 他聘请了该州最好的律师。
- The street had retained some of its old elegance. 这条街保留了一些旧日的风姿。
- 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。
- He retained the best lawyer in the state to defend his case. 他为他的案子聘了该州最好的律师。
- We retained the original fireplace when we decorated the room. 我们装修房间时保留了原有的壁炉。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- 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。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
- I retain a clear memory of those days. 我还清晰地记得那些日子。
- A red lamp is used as a danger signal. 红灯用作危险信号。
- Send out a distress signal; the ship is sinking. 船正在下沉，发遇险信号吧。
- These cells had retained a diploid karyotype. 这些细胞持有二倍体核型。
