一、"Lack"的基本释义
“Lack”是一个动词和名词,其基本含义是“缺少”或“不足”。作为动词时,它表示某人或某物没有或不足某样东西;作为名词时,它指的是这种缺失的状态。例如:
1. VerbShe lacks confidence in public speaking. (她缺乏公开演讲的信心。)
2. Noun: The project is suffering from a lack of funding. (该项目因资金短缺而受挫。)
二、“Lack”的用法例句
1. 表示“没有”或“未拥有”:
- They lack the necessary skills to complete the task. (他们缺乏完成任务所需的必要技能。)
- The room lacks warmth due to the absence of sunlight. (由于缺少阳光,房间显得不够温暖。)
2. 表示“不足”或“不够”:
- Our team lacks depth in the forward position. (我们的队伍在前锋位置上深度不足。)
- The essay lacks coherence; it jumps from one topic to another without a clear connection. (这篇文章缺乏连贯性,从一个话题跳到另一个话题,没有明确的联系。)
3. 与介词“of”搭配使用:
- He doesn't lack for friends, but he lacks for true companionship. (他不缺少朋友,但缺少真正的陪伴。)
- There's no lack of ideas, only a lack of implementation. (不是缺少想法,而是缺少执行力。)
三、“Lack”的同义词辨析
1. "Deficiency":常用于医学或科学领域,指某种物质或能力的显著不足,如营养素的缺乏。例如:A deficiency in vitamin D can lead to bone problems. (维生素D的缺乏可能导致骨骼问题。)
2. "Shortage":强调数量上的不足,常用于描述物资、资源或人力的匮乏。例如:There's a shortage of affordable housing in the city. (这个城市缺乏可负担的住房。)
3. "Scarcity":强调某种物品或资源的稀有性,可能是因为供应不足或需求过大。例如:Water scarcity is a major issue in desert regions. (水资源的稀缺是沙漠地区的一大问题。)
4. "Inadequacy":常用来形容某物或某人的性能、品质不足以满足特定的需求。例如:The existing infrastructure is inadequate for the growing population. (现有的基础设施无法满足不断增长的人口需求。)
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