Coal dust的音標為["k??l d?st]，基本翻譯為“煤塵”。

關于速記技巧，可以嘗試將單詞拆分記憶，如“coal”和“dust”分別容易記憶，可以嘗試將“coal”拆分為“co”和“al”，可以聯想到可樂（co）和泥土（al）混合在一起，形成煤塵。此外，還可以嘗試使用諧音記憶，如“扣兒死它”，即扣留死他的意思，可以聯想到煤塵堆積的地方是一個死角，他被困在那里。

英文詞源：

Coal dust這個詞源自拉丁語“cauis”和“dustus”，意為“煤塵”。

變化形式：

復數形式：dusts

相關單詞：

1. Dustbin - 垃圾箱，垃圾桶，用來存放煤塵等廢棄物。

2. Dusty - 塵土飛揚的，塵土覆蓋的，形容環境或物體被煤塵覆蓋。

3. Dustpan - 簸箕，用來清理煤塵的工具。

4. Dusty-haired - 頭發滿是煤塵的，形容人或動物被煤塵覆蓋。

5. Dust-up - 爭吵，沖突，因為煤塵引起的爭端。

6. Dust-covered - 被煤塵覆蓋的，形容物體或環境被大量煤塵覆蓋。

7. Dust-off - 清除灰塵，把灰塵從物體上拂去。

8. Dust-up-nose - 鼻孔被煤塵堵塞，形容人因吸入大量煤塵而導致的鼻孔堵塞。

9. Dust-up-eyes - 眼睛被煤塵刺激，形容人因吸入大量煤塵而導致的眼睛不適。

10. Dust-proof - 防塵的，防止煤塵進入的，形容設備或材料具有防塵性能。

Coal dust 常用短語：

1. Coal dust pollution 煤塵污染

2. Coal dust explosion 煤塵爆炸

3. Coal dust control 煤塵控制

4. Coal dust collection 煤塵收集

5. Coal dust transport 煤塵運輸

6. Coal dust handling 煤塵處理

7. Coal dust accumulation 煤塵積累

例句：

1. The mine is facing a serious coal dust pollution problem.

2. The explosion caused by coal dust can be very dangerous.

3. The workers must wear protective equipment to prevent coal dust contamination.

4. The coal dust collection system works well to prevent dust from flying around.

5. The transportation of coal dust must be done carefully to avoid accidents.

6. The handling of coal dust requires special techniques to avoid environmental pollution.

7. Coal mining areas are often plagued by a buildup of coal dust.

英文小作文：

Coal mining is a highly mechanized industry, but it still generates a lot of coal dust, which can cause air pollution and pose a safety hazard to workers. To minimize the impact of coal dust on the environment and workers" health, companies must implement effective coal dust control measures, including regular cleaning of the mining areas, use of special equipment to collect and transport coal dust, and strict safety regulations for workers to wear protective equipment and avoid exposure to coal dust. These measures will not only improve the working environment but also enhance the image of coal mining companies as responsible corporate citizens.