cave in的音標是[?ke?v ?n]。基本翻譯是“崩潰；塌下；讓步”。速記技巧是：cave=洞，in=進入，可以理解為進入洞中，即塌下。

cave in 的英文詞源為古英語 cave，意為洞穴。in 是古英語中表示“在…中”的后綴。因此，cave in 的意思是“坍塌，崩潰”。

變化形式：

1. 比較級：cave in 或 cave further

2. 最高級：cave furthest

相關單詞：

1. cave-in (n.) - 指建筑物、礦井等的坍塌。

2. collapse (v.) - 指物體因壓力過大而倒塌或崩潰。

3. ruin (v.) - 指因事故或災難而徹底毀掉。

4. sink (v.) - 指物體因重量過大而沉沒或坍塌。

5. cave-in (v.) - 指因壓力過大而坍塌或崩潰。

6. caveat (n.) - 指警告或勸告，用于防止出現坍塌等事故。

7. caveat emptor (n.) - 意為“讓買家自己注意”，指在交易中由雙方自行決定可能出現的問題。

8. cave-out (n.) - 指因對方威脅或妥協而達成妥協或和解。

9. collapse (adj.) - 指因壓力過大而變得脆弱或易碎。

10. ruin (adj.) - 指因災難或事故而徹底毀掉，變得無價值。

常用短語：

1. cave in (to)

2. cave in (with)

3. cave in (on)

4. cave in price

5. cave-in accident

6. cave-in risk

7. cave-in weight

例句：

1. She couldn"t bear to cave in to his demands.

2. They agreed to cave in with the extra expenses.

3. The company"s financial situation has caved in on them.

4. The price of the house has been reduced to avoid a potential cave-in.

5. The accident caused a cave-in of the mine entrance.

6. The safety measures taken by the company have reduced the cave-in risk.

7. The weight of the car is not affected by the small cave-in.

英文小作文：

Cave-ins are a common occurrence in mining operations, but they can also happen in other industries. When a building or structure collapses, it can cause significant damage and pose a safety hazard to workers and others nearby. However, with proper safety measures in place, such incidents can be avoided or minimized.

In my opinion, companies should invest in proper equipment and training for their workers to reduce the risk of cave-ins. This includes ensuring that the buildings and structures used in the operation are safe and structurally sound, as well as providing regular inspections and maintenance to ensure that they remain safe. Additionally, companies should provide their workers with proper training and equipment to help them identify potential hazards and take necessary precautions to avoid cave-ins. By doing so, companies can reduce the risk of accidents and protect their workers and others from potential harm.