- 释义：
- adj. 热心的；激烈的；渴望的
- 例句：
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There is keen competition between the two motorcar firms.
两家汽车公司之间存在着激烈的竞争.
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The parents were keen that their daughter should become musician.
父母渴望他们的女儿成为音乐家.
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The children are mad keen to go to the zoo.
孩子们非常想去动物园.
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