您要查找的是不是：
- plastic signal lens 塑料信号透镜
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He is a plastic surgery specialist. 他是个整形外科医生。
- Many items in daily use are made out of plastic. 有很多日常生活用品是塑料制的。
- It is some kind of plastic made to imitate iron. 这是一种塑胶，但外观仿制得像铁。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- The fruit is prepackaged in plastic tray. 水果用塑料盘预先包装。
- 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。
- Many items in daily use are made of plastic. 很多日常生活用品是用塑料制成的。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A kind of plastic stuff is used to make the plates. 这些盘子是用一种塑料制造的。
- 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。
- Put your washing in the plastic bag. 把你要洗的衣物放到商行塑料袋中。
- Plastic flowers are a particular hate of mine. 塑料花是我特别厌恶的东西。
- Plastic is sometimes used instead of leather. 塑胶有时可以替代皮革。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- The computer is protected by a plastic cover. 计算机得到塑料套的保护。
- 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。
