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| NOUN |
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| /ˈkɒmpaʊnd/ |
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| 1 | C science a chemical substance that consists of two or more elements 化合物 |
| Why do chemical compounds behave as they do? 化合物为什么会有其自身这些特性？ |
| Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。 |
| | 1a | C/U something that consists of two or more substances mixed together 混合物 | | a herbal compound used for treating headaches 治头疼的混合草药 | |
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| 2 | C a combination of things 组合 |
| John and Steve working together? That’ s a lethal compound. 约翰和史蒂夫一起工作？那是个很危险的组合。 |
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| 3 | C an enclosed area where a particular group of people live or where people such as soldiers and prisoners can exercise （围有围墙的）大院（如军营、监狱等） |
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| 4 | C linguistics a combination of two or more words that is used as a single wordThe three different types of compound are noun compounds (for example ‘bus stop’ ), adjective compounds (for example ‘self-centred’ ), and verb compounds (for example ‘wind-surf’ ). 复合词 |
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