contraflow

contraflow 的音标是[kən"trəʊflaʊ]，意思是相反方向流动或流动反向。

基本翻译：反方向流动。

速记技巧：记住这个单词时，可以想象一个管道或水流，其中一条是正常流动的方向，另一条是相反的方向，即“反方向流动”。

通过这样的想象和联想，可以更轻松地记住这个单词的拼写和含义。

"Contraflow"这个词的词源可以追溯到拉丁语"counter"（相反）和"flow"（流动）。因此，"contraflow"可以理解为反向流动或反向方向流动。

变化形式：在英语中，"contraflow"的形式没有太大变化，基本保持不变。

相关单词：

"counterflow"：反方向流动，例如水流或人流的反向流动。

"reverse flow"：反向流动，通常指液体或气体的反向流动。

"backflow"：回流，反向流动，通常指液体或气体的回流。

"countercurrent flow"：逆流，指水流、气流或电流等在相反方向上的流动。

"counterflow valve"：反向流动阀，一种用于控制流体反向流动的阀门。

"contraflow lane"：反向车道，在交通繁忙的道路上为避免逆向交通而设置的反向车道。

"contraflow traffic"：反向交通，指反向行驶的车辆所形成的交通流。

"contraflow operation"：反向操作，通常指在特定条件下改变原有操作方向的操作。

"contraflow bridge"：反向行驶桥梁，指允许车辆在特定方向行驶的同时，允许反向行驶的车辆通过的桥梁。

以上这些单词都与"contraflow"有着密切的联系，描述了不同场景下的反向流动现象。

常用短语：

1. counterflow

2. contraflow lane

3. contraflow traffic

4. contraflow brake

5. contraflow rotation

6. contraflow light

7. contraflow system

例句：

1. The traffic was gridlocked in both directions, with cars backed up for miles in contraflow traffic.

2. The contraflow brake was applied to avoid a potential accident on the road.

3. The contraflow light was red for several minutes, causing traffic to come to a standstill.

4. The contraflow lane was used to clear the accident site and allow traffic to resume.

5. The contraflow system was implemented to ensure the safety of road users during a major roadworks project.

6. The use of a contraflow lane is only allowed during special circumstances, such as accidents or roadworks.

7. The contraflow lane is a temporary measure that can only be used when necessary.

英文小作文：

Title: The Benefits of Implementing a Contraflow System

In busy urban areas, traffic congestion is a common problem that can lead to delays and increased fuel consumption. To address this issue, many roads implement a contraflow system, which allows traffic to flow in the opposite direction for short periods of time to accommodate special circumstances such as roadworks or accidents.

Contraflow systems can be effective in reducing congestion and improving traffic flow, as they allow road users to bypass the bottleneck and continue on their way without delay. This reduces the time spent in traffic and reduces fuel consumption, leading to environmental benefits as well.

Moreover, contraflow systems can also be used to improve safety by allowing emergency vehicles and other critical traffic to pass through the area more quickly and safely. This reduces the risk of accidents and saves lives, making it a valuable tool for transportation authorities and road users alike.

In conclusion, contraflow systems are a valuable tool that can be implemented to address traffic congestion and improve safety on busy roads. By implementing these systems, transportation authorities can reduce congestion, improve fuel efficiency, and save lives, making our roads safer and more efficient for everyone.