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- They finished the preparatory training. 他们完成了预备训练。
- What are your preparatory measures? 你的初步措施是什么?
- Her son is studying in a preparatory school. 她儿子正在一所大学预备学校学习。
- I did preparatory exercises before the race. 我在赛跑前做了准备运动。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- There is much preparatory work for us to do. 我们有许多准备工作要做。
- A preparatory action or measure. 准备预防性行动或措施
- 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。
- You should pack it up preparatory to sending it by post. 在邮寄之前你应该把它包好。
- 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。
- I am packing it up preparatory to my journey. 我正打点行李准备出外旅行。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
- A red lamp is used as a danger signal. 红灯用作危险信号。