automatic rifle

automatic rifle的音标为：[ɔːtɪmətɪk ɑːtʃɪf ʃreɪk(rɪft)]，基本翻译为“自动步枪”，速记技巧为：自动=auto；步枪=riffle。

Automatic rifle这个词的英文词源可以追溯到拉丁语和法语，意为“自动的，无需手动操作的”。它的变化形式包括复数形式“automatic rifles”，过去式和过去分词形式“automaticed”或“automaticed/automatically”，以及现在分词形式“automaticing”。

相关单词：

1. Automatic pistol：自动手枪，是一种可以自动射击的手枪。

2. Automatic shotgun：自动霰弹枪，是一种可以连续射击的霰弹枪。

3. Automatic ammunition：自动弹药，指的是能够被自动武器系统使用的弹药。

4. Automatic firing：自动射击，指的是武器系统能够自动发射子弹。

5. Automatic weaponry：自动武器，包括自动步枪、自动手枪等。

6. Automatic system：自动系统，指的是能够自动执行任务的系统。

7. Automatic control：自动控制，指的是通过计算机或其他设备自动控制系统的运行。

8. Automatic adjustment：自动调整，指的是系统能够根据环境条件自动调整参数或状态。

9. Automatic maintenance：自动维护，指的是通过计算机或其他设备自动检测和修复设备的故障。

10. Automatic identification system：自动识别系统，指的是能够自动识别和记录物品或人员的系统。

以上这些单词都与Automatic rifle密切相关，它们都体现了自动武器系统的特点，即能够自动、连续地发射子弹或进行其他操作。

Automatic rifle常用短语：

1. automatic rifle fire - 自动步枪射击

2. automatic rifle system - 自动步枪系统

3. automatic rifle training - 自动步枪训练

4. automatic rifle ammunition - 自动步枪弹药

5. automatic rifle operation - 自动步枪操作

6. automatic rifle maintenance - 自动步枪维护

7. automatic rifle equipment - 自动步枪装备

双语例句：

1. The soldiers were trained to operate automatic rifles effectively.

士兵们接受了有效操作自动步枪的训练。

2. The automatic rifle system was tested in combat conditions.

自动步枪系统在实战条件下进行了测试。

3. The ammunition for the automatic rifle is very expensive.

自动步枪弹药非常昂贵。

4. The automatic rifle is easy to operate and maintain.

自动步枪操作和维护都很简单。

5. The equipment for the automatic rifle is very advanced.

自动步枪的装备非常先进。

6. The soldiers used the automatic rifle to suppress the enemy"s attack.

士兵们用自动步枪压制了敌人的进攻。

7. The automatic rifle is a powerful weapon that can be used in a variety of situations.

自动步枪是一种可以在各种情况下使用的强大武器。

英文小作文：

Automatic rifles are powerful weapons that are commonly used in military operations and law enforcement activities. They are easy to operate and maintain, and can be used in a variety of situations, including urban combat, counterterrorism operations, and border security patrols. In addition, automatic rifles are often equipped with advanced technology, such as night vision devices and thermal imaging systems, which greatly enhances their effectiveness in combat situations. However, they also have some drawbacks, such as high cost and noise levels during firing, which can affect their use in certain situations. Despite these limitations, automatic rifles continue to be widely used in military and law enforcement agencies around the world.