英语单词 | stimulus |
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英美音标 | ['stimjuləs] |
中文释义 | n.刺激物,促进因素,刺激,刺激 |
vocab简明 | A stimulus causes an action or response, like the ringing of your alarm clock if you didn't sleep through it. |
vocab扩展 | Stimulus is a word often used in biology — something that causes a reaction in an organ or cell, for example. In financial and economic contexts, a stimulus may be an incentive: the money you spend on your membership is a stimulus for hitting the gym. Though it can be a synonym for stimulant, they are not always used interchangeably. A stimulant is often a chemical or drug that increases activity — think caffeine. For more than one stimulus, use stimuli, not stimuluses. |
柯林斯星级 | ★★☆☆☆ |
柯林斯解释 | 1 [N-VAR 可变名词]刺激物;促进因素 A stimulus is something that encourages activity in people or things.
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来源 | 2005.0 |
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