nark
美 [nɑːrk]英 [nɑːk]
- n.警察的线人
- v.告…的密；使…发怒；告密
narknoun
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1
- a lawman concerned with narcotics violations
- Synonym: narc narcotics agent
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2
- an informer or spy working for the police
- Synonym: copper's nark
verb
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1
- inform or spy (for the police)
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2
- cause annoyance in;disturb, especially by minor irritations
- Mosquitoes buzzing in my ear really bothers me
- It irritates me that she never closes the door after she leaves
- Synonym: annoy rag get to bother get at irritate rile nettle gravel vex chafe devil
数据来源：WordNet
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The paper reports test results of fine coal flotation with NARK collector instead of diesel oil and it points in the paper that application of the new collector can effect optimization of coal flotation system and improvement of clean coal yield and economic benefit .
介绍了纳尔科新型捕收剂替代柴油作煤泥浮选捕收剂的应用试验结果，指出新型捕收剂的应用可实现浮选系统的优化和浮选精煤产率与经济效益的提高。