1
be exact
用作表语，表示主语具有精确的特性。
The measurements must be exact.
测量必须精确。
精确的；准确的；确切的
先理解核心含义，再看它在真实句子里的用法。
精确的；准确的；确切的
Exactly right; agreeing completely with a fact, standard, or the truth.
The measurements must be exact.
测量必须精确。
与标准、事实或真相精确一致；完全符合；不多不少。
Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.
习惯性地谨慎遵守标准、规则或承诺；精确的；有条理的；准时的。
Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual.
精确或明确构想或陈述的；严格的。
Precisely or definitely conceived or stated; strict.
严格、特别和完全符合事实
marked by strict and particular and complete accordance with fact
Please tell me the exact measurements of the room.
请告诉我房间的精确尺寸。
AI contextual example
The train arrived at the exact scheduled time.
火车在精确的预定时间到达。
AI contextual example
She made an exact copy of the original document.
她制作了原文件的精确副本。
AI contextual example
an exact mind
严谨的头脑
WordNet
用作表语，表示主语具有精确的特性。
The measurements must be exact.
测量必须精确。
修饰名词，表示‘准确的、精确的’。
Please provide the exact time of arrival.
请提供确切的到达时间。
作为插入语，用于更精确地说明信息。
It took three hours, or to be exact, three hours and ten minutes.
花了三个小时，准确地说，是三小时十分钟。
Not this
She described the scene exact.
Use this
She described the scene exactly.
exact 是形容词，不能用作副词修饰动词 described，应改为副词 exactly。
Not this
The clock is exact.
Use this
The clock is accurate.
exact 强调精确到每个细节，而 clock 的准确性通常用 accurate 表示。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
确切的时间
Can you tell me the exact time the meeting starts?
你能告诉我会议开始的确切时间吗？
确切位置
The app shows the exact location of your package.
这个应用会显示你包裹的确切位置。
确切数额
Please pay the exact amount shown on the bill.
请支付账单上显示的确切金额。
正好相反
His version of events is the exact opposite of hers.
他对事件的描述与她的正好相反。
完全相同的
We bought the exact same laptop for work.
我们买了一台完全相同的笔记本电脑用于工作。
原话；确切的话
I remember her exact words: "Never give up."
我记得她的原话：“永不放弃。”
确切地说；准确地说
The repairs took three months, to be exact.
维修花了三个月，确切地说。
完全相同的；一模一样的
I had the exact same experience when I moved here.
我搬到这里时也有完全相同的经历。
正好相反；恰恰相反
The results were the exact opposite of what we expected.
结果与我们预期的完全相反。
Use exact naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：裁缝量体裁衣，剪出 exact 长度——不多一毫、不少一厘，就是“精确、准确”。
语域：neutral 常见场景：academic writing、everyday conversation exact 作形容词时通常属于中性语体，多用于日常对话和正式写作，表示“精确的、准确的”，强调与事实、标准或细节完全一致。
Used before nouns or after 'be' with 'about' to indicate precision.
Dictionary facts from AI_FALLBACK, DICTIONARY_API_DEV, ECDICT, OCTANOVE, WORDNET.