flash flood的音標是["fl?? fla?d]，基本翻譯是“暴洪，閃擊暴雨”，速記技巧是“flash”可以理解為“閃電”，常出現在暴雨后，因此可以表示“暴洪”。

Flash flood的英文詞源是“flash”和“flood”。 “Flash”意為“閃電”，引申為“迅速的”；“flood”意為“洪水”，引申為“大量的水涌入”。因此，“flash flood”可以理解為“迅速而來的洪水”。

變化形式：復數形式是flash floods。

相關單詞：

1. downstream：意為“下游”，可以指水流的方向，也可以引申為“在形勢或事件發展中的下游階段”。

2. upstream：意為“上游”，與 downstream相反，表示水流的方向，也可以引申為“在形勢或事件發展中的上游階段”。

3. inundate：意為“淹沒”，可以引申為“大量給予，使淹沒于”等意思，可以指用水或其他液體淹沒，也可以指使某人淹沒在某種情緒或思想中。

4. overflow：意為“溢出，泛濫”，可以指液體或情緒的溢出，也可以指某人的情感或思想泛濫。

5. surge：意為“洶涌，激增”，可以指水浪的洶涌，也可以指人心的激增。

6. torrent：意為“急流”，可以指水流湍急，也可以指情緒的爆發。

7. deluge：意為“洪水，大量涌入”，可以指大量的水涌入，也可以指大規模的災難性事件。

8. inundation：意為“泛濫，洪水”，可以指水泛濫，也可以指思想、情感等的泛濫。

9. plunge：意為“投入，跳入”，可以引申為“突然陷入，猛烈沖擊”，可以用來形容洪水猛烈的沖擊。

10. floodgate：意為“水閘”，可以引申為“控制洪水的閘門”，比喻為“控制某事的手段或方法”。

常用短語：

1. flash flood warning

2. flash flood watch

3. flash floods inundate

4. be on the lookout for flash floods

5. be caught in a flash flood

6. flash flood danger

7. flash floods strike

例句：

1. We are under a flash flood warning until further notice.

2. The storm caused flash floods to inundate the area.

3. Be careful when driving through the mountains as flash floods can strike without warning.

4. I was caught in a flash flood while hiking and it was terrifying.

5. Flash floods are a serious hazard in many areas and we need to be on the lookout for them.

6. The weather forecast calls for a possible flash flood danger today.

7. Flash floods can affect people"s lives and property in a short period of time.

英文小作文：

標題：Flash Floods: A Serious Hazard in the Wilderness

In the wilderness, flash floods can be a terrifying and sudden occurrence that can affect people"s lives and property in a short period of time. These floods are often caused by heavy rainfall or rapid melting of snow, and they can quickly inundate areas with water, making it difficult for people to escape.

When a flash flood warning is issued, it"s important to be on the lookout for potential danger and take necessary precautions. Hikers should avoid high-risk areas during heavy rain or periods of heavy thunderstorms, and drivers should be aware of rapidly flowing water and avoid driving through it if possible. If caught in a flash flood, it"s essential to stay calm and try to find higher ground or a safe area away from the water"s edge.

Flash floods can be a real challenge for those who live or visit the wilderness, but with proper preparation and caution, they can be avoided or minimized. Understanding the hazards of flash floods and taking appropriate measures can help ensure a safe and enjoyable experience in the great outdoors.