a sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain.
例句
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The leaves were caught up by a sudden gust of wind.
突然一阵风把树叶吹起。
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a lack of self-confidence
缺乏自信
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In a severe winter, wild animals can die from lack of food.
在寒冷的冬天, 野兽可能因为缺乏食物而饿死。
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He was seriously wounded.Blood poured out of the wound.
他伤得很重, 伤口血流如注。
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In comparison with the disastrous damage made by the earthquake, my personal loss is negligible.
和地震造成的灾难性破坏相比, 我个人的这点损失实在算不了什么。
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Several research institutions were closed down for lack of fund.
由于缺乏资金, 好几家研究机构被迫关门了。
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Because of the continued loss, the factory closed down.
由于连续亏损, 工厂关闭了。
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The question was so unexpected that, for a moment, she was at a loss how to act up properly.
问题来得这么突然, 她一时不知道如何作出恰当的反应。
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Blood spattered the seats of the vehicle.
鲜血把车上的座位都溅污了。
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They wasted away for lack of food.
由于食物的缺乏, 他们越来越虚弱了。