✨ 语义深度解析
lack
高考核心词 作文加分词 难度 2/5 ⏱ 3 分钟
核心
某个应该有的东西不在那里
释义
1
v.缺乏,没有(某种需要的东西)
Many rural schools lack access to basic educational resources.
许多农村学校缺乏基本教育资源的获取渠道。
2
n.缺乏,不足
A lack of sleep can seriously affect concentration and decision-making.
睡眠不足会严重影响注意力和决策能力。
语感
lack = 那个位置是空的——应该有什么,但没有
缺乏不足欠缺
陷阱
⚠️lack(动词)直接接宾语,不加 of
The project lacks of proper funding.
(误)该项目缺乏适当资金。
lack 作动词时直接接宾语,不加 of;a lack of 是名词短语
The project lacks proper funding.
该项目缺乏适当资金。
⚠️for lack of vs. due to a lack of:两种结构都正确
The event was cancelled for lack of interest from the public.
for lack of 是错误表达,应该用 due to a lack of
两者均正确:for lack of(固定短语,更简洁)= due to a lack of(更完整)。for lack of 中 lack 是不可数名词,通常不加冠词
活动因公众缺乏兴趣而取消。(for lack of = 由于缺乏)
近义辨析
lack vs shortage
lack 动词/名词:缺少某必要或期望存在的东西 shortage 名词:供应量不足,常用于资源、物资方面
Children in conflict zones often lack access to clean water and nutritious food.
冲突地区的儿童往往缺乏获得清洁水和营养食品的途径。
The country is facing a severe shortage of medical staff in rural hospitals.
该国农村医院面临严重的医疗人员短缺
写作加分
✨ 加分词
替换:don't havewithout
社会问题议论文教育资源话题
普通
Many students don't have enough confidence to speak in public.
许多学生没有足够的自信在公共场合讲话。
加分 ✨
Many students lack the confidence to speak in public, which limits their ability to express ideas effectively.
许多学生缺乏在公共场合发言的自信,这限制了他们有效表达想法的能力。
常用搭配
lack confidence / motivation / resources缺乏自信 / 动力 / 资源
a lack of……的缺乏(名词搭配)
for lack of由于缺乏(固定短语)
due to a lack of由于缺乏
lacking in在……方面有所欠缺
词根
lack = 空缺(la-ck,发音像 lag 拖后)→ 需要的东西拖后了,还没到位 = 缺乏
考考你
Q1对错判断
判断下面句子里 lack 的用法是否正确:
The proposal lacks of creativity and fails to address the core problem.
✓ 正确版本
The proposal lacks creativity and fails to address the core problem.
这个提案缺乏创意,未能解决核心问题。
lack 作动词时直接接宾语,不加 of;a lack of 是名词短语用法
Q2近义选词
选择最恰当的词填空:
Due to a severe ___ of nurses, some patients had to wait days for basic medical attention.
Alack
Bshortage
✓ 由于护士严重短缺,一些患者不得不等待数天才能得到基本的医疗照护。
强调具体物资/人员供应量不足用 shortage;lack 更广泛,也指抽象事物的缺乏
Q3翻译应用
用 lack 翻译下面句子(可参考 writing_upgrade 字段的搭配):
许多贫困地区的学生缺乏接受优质教育的机会,这加剧了社会不平等。
Students in many impoverished areas lack access to quality education, which exacerbates social inequality.
关键搭配:lack access to
lack access to 是描述「缺乏获取某物渠道」的核心书面搭配
接着学
点击进入该词的深度解析