air-raid shelter

air-raid shelter的音标为["eə, reɪd, ʃɪ"telə]，意思是防空洞。速记技巧可以是“air”代表空气，“raid”代表袭击，“shelter”代表遮蔽，结合起来就是防空袭击遮蔽处，即防空洞。

Air-raid shelter的英文词源是“air”和“shelter”，意为防空洞。其变化形式包括名词shelter和动词shelter或shelter from。

相关单词：

shelter n. 遮蔽处，避难所，保护；v. 遮蔽，掩蔽，躲避。例如：a shelter from the rain（遮雨的地方）。

shelter from v. 保护免受，掩蔽免受。例如：shelter from the wind（保护免受风）。

shelter program 避难所计划，庇护所项目。

shelter system 避难所系统。

此外，还有以下相关单词：

bomb shelter 防空洞，掩蔽处。

fallout shelter 核辐射避难所，防核辐射的掩蔽处。

underground shelter 地下掩蔽处。

bombproof shelter 防空掩蔽体。

这些单词都与防空洞或避难所有关，体现了人类在战争和自然灾害面前的智慧和创造力。

短语：

1. air-raid shelter building

2. air-raid shelters

3. underground air-raid shelter

4. bunker

5. bomb shelter

6. bombproof shelter

7. fallout shelter

例句：

1. We built an air-raid shelter in our garden to protect ourselves from nuclear attack.

2. The underground air-raid shelter is a safe place to hide during a bombardment.

3. The bunker was used as a bomb shelter during the war.

4. The bomb shelter was full of people trying to hide from the blast.

5. Fallout shelters are essential for survival in a nuclear war.

6. The fallout shelter was dug deep into the ground to protect us from radiation.

7. We must prepare for the worst and hope for the best, including building air-raid shelters and fallout shelters.

英文小作文：

In case of an air raid, we need to have a safe place to hide. An air-raid shelter is a good solution to protect ourselves from bombs and radiation. We can build an air-raid shelter in our garden or basement, and it should be big enough to accommodate everyone in our family or group. We can also prepare food and water for our survival, and we should have a way to communicate with others during the attack. In case of an attack, we should stay calm and follow the instructions of our leaders or authorities. If we are lucky enough to survive, we will be grateful for having prepared for such a disaster.