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V-ERG
(使)腐爛;(使)腐敗;(使)變質
When food, wood, or another substance rots, or when something rots it, it becomes softer and is gradually destroyed.
例句
If we don't unload it soon, the grain will start rotting in the silos...
如果我們不立刻把糧食卸下來，它們就會在筒倉里開始腐爛。
Sugary canned drinks rot your teeth.
罐裝的甜飲料會腐蝕牙齒。
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N-UNCOUNT
（尤指木制品的）腐爛，腐敗，腐朽
If there is rot in something, especially something that is made of wood, parts of it have decayed and fallen apart.
例句
Investigations had revealed extensive rot in the beams under the ground floor...
調查發現一層地下的橫梁大面積腐爛。
Neither the timber frame nor metal chassis were protected against rot.
木構架和金屬底盤都沒有采取防腐措施。
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N-SING
（逐步的）惡化，衰敗
You can use the rot to refer to the way something gradually gets worse. For example, if you are talking about the time when the rot set in, you are talking about the time when a situation began to get steadily worse and worse.
例句
In many schools, the rot is beginning to set in. Standards are falling all the time...
很多學校的情況正開始變得越來越糟，教學水平一路下滑。
The country's leaders are unwilling to take unpopular measures to stop the rot.
該國領導人不愿采取不受歡迎的措施來阻止形勢惡化。
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VERB
(尤指人在獄中)身心狀況越來越糟，萎靡不振，頹廢下去
If you say that someone is being left to rot in a particular place, especially in a prison, you mean that they are being left there and their physical and mental condition is being allowed to get worse and worse.
例句
Most governments simply leave the long-term jobless to rot on the dole.
大多數政府就讓那些長期失業的人領著救濟金頹廢度日。
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N-UNCOUNT
胡說八道;胡扯;蠢話
If you say that what someone is saying is rot, you mean that they are saying things that are untrue or stupid.
例句
What a load of pompous, pseudo-intellectual rot...
真是自命不凡的偽知識分子的一派胡言！
You do talk rot!
你胡扯！