lowering
['loʊərɪŋ]
adj.
使低劣的，减少体力的，昏暗的;
v.
（使）降低， （使）跌落( lower的现在分词 );
削弱;
削减;
减少;
例句:
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The man moved closer, lowering his voice.
那位男子靠近了一步，压低声音。
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She never cheapened herself by lowering her standards.
她从不降低标准来贬低自己。
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the lowering of taxes and the consequent increase in spending
税收降低与随之引起的消费增长
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But, why talk about cholesterol lowering at all?
来自SA
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Does the lowering of blood lipids help prevent atherosclerosis?
来自SA
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But the benefits for lowering energy use are substantial.
来自WSJ