您要查找的是不是：
- Plant sensation and transduction of root signals and 植物对土壤干旱信号的感知、传递及其水分利用的控制
- Effect of Fulvic Acid on Non-hydraulic Root Signal of Spring Wheat 黄腐酸对作物根冠通讯影响的研究
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。
- The plant has not struck root yet. 那棵植物还没生根。
- Unhappiness is the root cause of his illness. 不开心是他生病的根源。
- Idleness is the root of all evil. 懒惰乃万恶之源。
- 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 period signals the end of a sentence. 句号表示一个句子结束了。
- 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。
- I managed to root out a copy of the document. 我好不容易才找到了文件的副本。
- The lighthouse flashes signals twice a minute. 灯塔每一分钟发出两次信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- He caught his foot on a tree root and stumbled. 他一只脚被树根绊住而跌倒了。
- The ship's radio sent out signals for help. 轮船上的无线电发出求助信号。
- Do you think it is possible to root out crime? 你认为可以根除犯罪吗?
