Losing nitric oxide could, in theory, cause vessels to constrict and clots to form.

理论上，丢失氧化一氮将导致血管收缩和血栓形成。

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The drug causes blood vessels to constrict, and may prevent blood from reaching vital organs.

药物导致血管收缩，阻止血液到达重要脏器。

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A bright monitor also causes your pupils to constrict, giving the eyes a greater range of focus.

明亮的显示器还会让瞳孔收缩，从而让眼睛的聚焦范围更大。

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But it's not a very good thing if my consciousness continues to narrow and constrict beyond the threat, or beyond the hardship.

但它变得不是很好,如果我的意识继续狭窄,收紧超出威胁，超出困难。

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And what will happen is as a result, I experience sadness, because that is what I am thinking about, and sadness-- a painful emotion, not a positive emotion-- leads to further narrow and constrict.

结果就是，我感觉悲伤，因为我一心只想那个，悲伤-,是一种痛苦的情绪，一种消极情绪-,导致进一步的收窄缩紧。

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They look in the professional people who are able to manage their emotions better and lead to positive emotions, get out of this narrow and constrict to the broaden and build are in the long term more successful.

他们调查专业人士,能更好地控制自己的情绪,获得积极情绪，脱离狭窄收紧进入扩建的人,长远会取得更大成功。

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The tourists won the toss and bowled tidily to constrict Smith and Neil McKenzie, who reached lunch on 61-0.

BBC: Smith and Amla punish Bangladesh

As his tongue continued to grow, his oesophagus began to constrict, so he felt he was about to suffocate.

BBC: NEWS | Health | 'I felt like a zombie'

In order not to constrict the former, we have settled on the latter.

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