excavators

excavators的音标是["ekskəveɪtəz]，翻译成中文是“挖掘机”。

记忆技巧：excavate vt. 挖掘，使显露，挖掘出某物；vi. 挖掘，掘进。可以谐音理解为“诶死卡挖特”，想象挖掘机正在挖土，显露出土里的东西。

基本含义如下：挖掘机是一种大型工程作业专用设备，它可以通过铲斗挖掘、装入、运输土壤或碎石。此外，excavators还可以指挖掘机操作手，他们负责操作挖掘机进行各种作业。

excavators的英文词源为拉丁语ex-和-cavare，意为“挖出”。其变化形式包括名词excavator（挖掘者）、excavation（挖掘）、excavatory（挖掘的）等。相关单词包括digger（挖掘者）、backhoe（反铲挖土机）、trencher（沟渠挖掘工具）等。这些单词都与挖掘、开垦土地等有关，体现了人类在历史进程中不断改进和创新的工具使用技术。

以上内容仅供参考，建议根据实际应用场景来确定具体用哪个单词。

常用短语：

1. dig with excavator

2. load with excavator

3. unload with excavator

4. clear the way with excavator

5. operate excavator

6. maintain excavator

7. repair excavator

双语例句：

1. Using an excavator, we dug a deep hole in the ground.（使用挖掘机，我们在地上挖了一个深坑。）

2. The operator was loading sand with an excavator.（操作员正在用挖掘机装沙子。）

3. After unloading the material, the operator started to repair the road with an excavator.（卸完材料后，操作员开始用挖掘机修路。）

4. The maintenance team is maintaining the excavator regularly.（维修队正在定期维护挖掘机。）

5. The repair work was done by using an excavator.（修理工作是用挖掘机完成的。）

6. Operating the excavator requires skill and experience.（操作挖掘机需要技能和经验。）

7. The operator must be careful when operating the excavator in a dangerous environment.（操作员在危险环境中操作挖掘机时必须小心。）

英文小作文：

Excavators are essential tools in construction and landscaping projects. They allow workers to dig large holes, load and unload materials, and clear obstacles quickly and efficiently. From building roads to creating gardens, excavators play a vital role in modern society.

One of the most common uses for excavators is in mining operations, where they are used to extract coal, ore, and other resources from the ground. By digging deep holes and moving large amounts of earth, excavators help to make mining a safer and more efficient process.

However, excavators are not just for large-scale projects. They can also be used by homeowners to create gardens, build retaining walls, and landscape their yards. With the right skills and knowledge, anyone can use an excavator to create a beautiful and functional space in their yard.

Overall, excavators are versatile tools that can be used for a wide range of tasks. Their ability to work quickly and efficiently makes them a must-have for any construction or landscaping project.