Word · CEFR B1 · Frequency #5386
deficiency
缺乏；不足；短缺
核心释义
Lack or insufficiency; the state of being inadequate or incomplete.
- 1.
不足或不完整。
Inadequacy or incompleteness.
- 2.
缺乏所需之物的状态
the state of needing something that is absent or unavailable
- 3.
缺乏,尤指对健康必不可少的东西的不足。
An insufficiency, especially of something essential to health.
- 4.
数量或数目不足
lack of an adequate quantity or number
- 5.
曲线二重点数少于同次曲线最大点数的差额。
The amount by which the number of double points on a curve is short of the maximum for curves of the same degree.
- 6.
线性系统在相应完全线性系统中的余维数。
The codimension of a linear system in the corresponding complete linear system.
营养缺乏；缺乏症；亏量；余维数；不足或不完整。；缺乏所需之物的状态
用法In use
A nutritional deficiency can lead to health problems.
用法提示："deficiency" 作名词，表示“缺乏”。
The team's main deficiency is a lack of experience.
用法提示："deficiency" 为名词，指不足。
Vitamin D deficiency is common in winter.
用法提示："deficiency" 名词，表示缺乏。
water is the critical deficiency in desert regions
deficiency in sth
常与in连用，表示在某方面存在不足。
The test revealed a deficiency in iron levels.
测试显示铁含量不足。
deficiency of sth
用of表示缺乏某物，强调匮乏对象。
相关词与表达Connections
搭配Collocations
- vitamin deficiency
- 维生素缺乏
- Vitamin deficiency can lead to various health problems.维生素缺乏会导致各种健康问题。
- iron deficiency
- 缺铁
- Iron deficiency is a common cause of anemia.缺铁是贫血的常见原因。
- immune deficiency
- 免疫缺陷
- Patients with immune deficiency are more susceptible to infections.免疫缺陷患者更容易受到感染。
- nutritional deficiency
- 营养缺乏
- A balanced diet prevents nutritional deficiency.均衡的饮食可预防营养缺乏。
- deficiency disease
学习提示Learner notes
记忆技巧Memory Tip
对比'sufficient'（充足的），'de'表否定，deficiency即不充足、缺乏。
语境与语域Context & Register
[object Object]
发音与拼写Pronunciation & Spelling
Words ending in -iciency share the same stress pattern and final syllable: /ɪˈfɪʃənsi/ (efficiency, proficiency, sufficiency). Be careful with lookalikes like frequency (first-syllable stress) or agency (first-syllable stress).
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.