demonstrator
['demənstreitə]
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| n.示威者 |
参考例句:
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- 1. "There you are—like a knife through butter, 'said the demonstrator as the powered shovel swung back with its load. 当动力铲带着铲起的东西转回来时,示范的人说,“你瞧是不是,多么容易。”
- 2. The demonstrator should indicate the degree of this reliability. 验证者应该指出这种可靠的程度。
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