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Antimatter is matter made the other way round: it is made of , the opposite twins of the tiny pieces ordinary things are made of. Each ordinary piece has a matching piece with the opposite electric charge.
Antimatter反物質 is matter made the other way round是反過來做成的物質:it is made of antiparticles它是由反粒子組成的, the opposite twins of the tiny pieces ordinary things are made of也就是構成一般物質的那些微小粒子的相反雙胞胎。 Each ordinary piece每一個一般粒子 has a matching piece with the opposite electric charge都有一個帶相反電荷的對應粒子。
When matter and antimatter meet, they destroy each other and turn into energy. Scientists can make a little of it in labs, but almost none of it sits around in daily life — if it did, it would vanish the moment it touched ordinary air.
When matter and antimatter meet當物質和反物質相遇時, they destroy each other and turn into energy會互相湮滅,轉變成能量。 Scientists科學家 can make a little of it in labs可以在實驗室裡做出一點點, but almost none of it sits around in daily life但日常生活裡幾乎不會有它存在 — if it did如果真的有, it would vanish the moment it touched ordinary air它一碰到一般的空氣就會立刻消失。
In science-fiction stories, people use it as a super fuel or a bomb. That is a stretch of the real thing: the word is serious physics, but films borrow it because anti- sounds powerful.
In science-fiction stories在科幻故事裡, people use it as a super fuel or a bomb大家把它拿來當超級燃料或炸彈用。 That is a stretch of the real thing這是把真實的東西誇大了:the word is serious physics這個字本身是嚴肅的物理學, but films borrow it because anti- sounds powerful但電影借用它,是因為anti-這個字首聽起來很有力量。
Though actually, the word is older than that film meaning. A British scientist first coined it as a kind of joke; the modern sense — this opposite kind of matter — settled in much later.
Though actually不過事實上, the word is older than that film meaning這個字比電影裡的那個意思還要古老。 A British scientist一位英國科學家 first coined it as a kind of joke最早是半開玩笑地創造了這個字; the modern sense而現代的這個意思 — this opposite kind of matter也就是這種相反的物質 — settled in much later是後來才固定下來的。
組成anti- (opposite) + matter (the stuff things are made of). Coined in 1898 by the British physicist Arthur Schuster, in a playful Nature article, for imaginary matter that would resist gravity. Today's meaning — matter made of antiparticles — did not come into use until the 1940s.
同家族的字
- matterordinary stuff; antimatter is built as its opposite
- antiparticlethe tiny opposite pieces that antimatter is made of
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。
antimatternoun/ˈæn.tiˌmæt.ɚ/
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natural-sciencesphysical-sciencesphysicsMatter that is composed of the antiparticles of those that constitute normal matter.
- But most theories predict that equal amounts of matter and antimatter should have been produced during the big bang, and the mystery of what happened to all the antimatter is a central question in fundamental physics.
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natural-sciencesphysical-sciencesphysicsA form of matter that has a key property, such as charge, opposite to that of ordinary matter.
- Particles of matter and antimatter are identical, except for an opposite electrical charge. An electron has a negative charge whereas its antiparticle, the positron, has a positive charge, and both have an identical mass.
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。