bolt down

bolt down的音标为[bəʊlt dæŋ]：意为“狼吞虎咽地吃”。速记技巧为：bolt（闪电）+down（向下）→闪电一样狼吞虎咽地吃。

Bolt down这个词源自英语，意思是“固定，紧固”。这个词的词源可以追溯到古英语中表示“闩，门闩”的词根bolt。这个词根在英语中表示“锁住，固定”的意思，因此bolt down的意思就是将物体固定住，使其稳定不动。

变化形式：其形式没有发生改变，仍然是bolt。

相关单词：

1. bolted together：用铆钉固定的

2. bolt in place：固定在位置上

3. bolted door：铁闩门

4. bolted nut：铆钉螺母

5. bolted iron：铆接的铁

6. bolt-on：附加的部件，可拆卸的附加部分

7. bolt-proof：防闩的，防锁定的

8. bolt-tighten：紧固螺栓

9. bolt-cutter：扳手，开锁工具

10. bolt-hole：隐藏的孔洞，备用孔洞，用于紧急情况或隐藏用途的空间。

常用短语：

1. Bolt down the door

2. Bolt down the table

3. Bolt down the windows

4. Bolt down the furniture

5. Bolt down the roof

6. Bolt down the car

7. Bolt down the plane

例句：

1. We bolted down the table and chairs to protect them from the wind and rain.

2. The car was bolted down to prevent it from being stolen.

3. The plane was safely bolted down on the runway before takeoff.

英文小作文：

Safety First: Bolting Down Furniture and Roof

In order to ensure safety, we should always take measures to bolt down our belongings. For example, when we have a storm approaching, we should bolt down our windows and doors to prevent them from being broken by strong winds. Similarly, we should also bolt down our furniture and roof to protect them from falling or being damaged by strong winds or other unexpected events. Bolting down these items can save us from potential disasters and losses. Therefore, it is always wise to take safety measures before they become a problem.