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A firebreak is a narrow strip of land where people have taken away the plants and trees, so a fire on one side cannot easily jump to the other. Forest workers cut them before the dry season, or in a hurry when a wildfire is already moving. Grass, bushes, and dead wood are cleared; sometimes the ground is just bare earth or a dirt road. The fire reaches the empty strip and, if the break is wide enough and the wind is not too strong, it dies down instead of climbing into the next stand of trees. Though actually, a strong wind can still throw sparks across, so a firebreak helps; it does not magic the fire away. A wide road or a river can work as one too. The “break” is a break in the fire’s path.
防火帶、防火線（山林裡清出的空地。台灣街上的「防火巷」是樓與樓之間的巷子，不是這個）
組成fire + break (a break in the fire’s path). Built like windbreak and breakwater: something that stops a force from going further.
同家族的字
- firethe first half; the blaze you want to stop
- breaka gap that interrupts the fire
- windbreaksame -break idea: a barrier that stops wind
- breakwatersame -break idea: a barrier that stops waves
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
firebreaknoun
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firefightinggovernmentAn area cleared of all flammable material to prevent a fire from spreading across it.
- The firefighters used a bulldozer to clear a firebreak in the forest to try to contain the forest fire.
- When a fire does break out, it tends to burn longer and further because the natural firebreaks that might have existed from previous, smaller fires are not there.
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Any separating barrier.
- That policy could consist of a statement that the declaring nation would not be the first to use nuclear weapons. This would strengthen the firebreak between the use of conventional and nuclear weapons.
- First, it serves to demonstrate that the practice of sustainable critique […] need not be impossibly philosophically rarefied […] Second, it serves as a firebreak against the unrelieved negativity that, it is sometimes charged, follows from Adorno's practices of reflexivity.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。