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Dispersal is the process of spreading things over a wide area, or sending them off in different directions.
DispersalDispersal(擴散、驅散) is the process of spreading things over a wide area指的是把東西散布到廣大範圍的過程, or或 sending them off in different directions把東西送往不同方向。
Police talk about crowd dispersal when they make a group break up and leave. talk about seed dispersal when plants send seeds away on wind, water, or animals. After a match or a meeting you may hear of the dispersal of the crowd — people going off their own ways.
Police警察 talk about crowd dispersal會說crowd dispersal(驅散人群) when they make a group break up and leave指的是他們讓一群人解散離開。Biologists生物學家 talk about seed dispersal會說seed dispersal(種子散布) when plants send seeds away on wind, water, or animals指的是植物靠風、水，或動物把種子送出去。After a match or a meeting在比賽或會議結束後 you may hear of你可能會聽到 the dispersal of the crowd『人群的dispersal』 — people going off their own ways指大家各自散去。
It is a fairly formal noun; in casual talk people often just say spread out or broke up.
It is a fairly formal noun它是一個相當正式的名詞; in casual talk在日常對話裡 people often just say人們通常只會說 spread out或broke up。
Though actually, dispersal names the process, not the stuff itself. Once everyone has gone, the dispersal is over. It is not disposal, which is throwing something away.
Though actually不過其實, dispersaldispersal names the process指的是那個過程, not the stuff itself而不是東西本身。Once everyone has gone一旦大家都走了, the dispersal is over這個dispersal就結束了。It is not disposal它不是disposal(丟棄、處理掉), which是 is throwing something away指把東西丟掉。
組成From disperse + -al. Disperse means to spread out or send in different directions; -al turns that into the name of the process.
同家族的字
- dispersethe verb this is built from
- dispersiona close cousin with almost the same meaning, a little more scientific
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。
dispersalnoun
- 1
The act or result of dispersing or scattering; dispersion.
- For a time, Okeh picked up the disk for national dispersal.
- Plant breeding is always a numbers game.[…]The wild species we use are rich in genetic variation, […]. In addition, we are looking for rare alleles, so the more plants we try, the better. These rarities may be new mutations, or they can be existing ones that are neutral—or are even selected against—in a wild population. A good example is mutations that disrupt seed dispersal, leaving the seeds on the heads long after they are ripe.
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A dispersal prison.
- Problems of control in dispersals and in other prisons necessarily instigated a multiplicity of working theories to explain the difficulties […]
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。