Word · Frequency #7186
defective
有缺陷的；有瑕疵的；有故障的
核心释义
having a fault or faults; not working correctly
- 1.
有一个或多个缺陷
Having one or more defects.
- 2.
有缺陷的
having a defect
- 3.
缺少某些形式；例如,只有一种时态或只能用于第三人称
Lacking some forms; e.g., having only one tense or being usable only in the third person.
- 4.
在结构、功能、智力或行为上明显低于正常水平的
markedly subnormal in structure or function or intelligence or behavior
- 5.
不能代表用于书写语言的所有音位区别
Not capable of representing all the phonemic distinctions of a language it is used to write.
- 6.
不能正常工作的
not working properly
- 7.
没有使用母音字母拼写,例如 אמץ(勇气)与完整拼写 אומץ 中字母 vav ⟨ו⟩ 表示元音 o 的对比
Spelled without matres lectionis, for example אמץ (ómets, “courage”) as opposed to the plene spelling אומץ where the letter vav ⟨ו⟩ indicates the vowel o.
（语言学）变化不全的；缺项的；（文字）不能区分全部音位的；（希伯来文）不标元音字母的；（旧，含冒犯）有生理或智力缺陷的；低能的；有一个或多个缺陷；有缺陷的
用法In use
The phone's screen was defective, so I returned it.
用法提示：defective 在此句中作形容词，表示“有缺陷的”，描述屏幕的质量问题。
The defective machine kept shutting down unexpectedly.
用法提示：defective 修饰名词 machine，表示机器有故障。
His reasoning was defective because it ignored basic facts.
用法提示：defective 作表语形容词，说明 reasoning 不完善或有错误。
I returned the appliance because it was defective
defective speech
a defective appliance
defective [noun]
相关词与表达Connections
搭配Collocations
- defective product
- 有缺陷的产品
- The company recalled all defective products.公司召回了所有有缺陷的产品。
- defective design
- 有缺陷的设计
- The bridge collapsed due to a defective design.这座桥因设计缺陷而倒塌。
- defective equipment
- 有缺陷的设备
- The factory replaced all defective equipment.工厂更换了所有有故障的设备。
- defective part
- 有缺陷的零件
- The mechanic found a defective part in the engine.机械师在发动机中发现了一个有缺陷的零件。
- defective gene
学习提示Learner notes
记忆技巧Memory Tip
de（否定）+ fect（做）= 做得不好，所以有缺陷。
语境与语域Context & Register
中立语体，常用于技术故障、产品质量、行为缺陷等具体情景。注意：虽常见于技术文档，但日常交流中也适用。
语法说明Grammar Note
常与介词in连用
发音与拼写Pronunciation & Spelling
All these words end with the same '-ective' spelling and are pronounced with the /ɛktɪv/ rhyme. No common lookalikes with different pronunciation were identified from the set.
用法优先级Usage priority
Collins 词频等级为 1，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
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.