1
be diagnostic of sth
用于形容某症状或特征对疾病的诊断意义。
The rash is diagnostic of measles.
这种皮疹是麻疹的特征性症状。
诊断的；有助于诊断的；特征的
先理解核心含义，再看它在真实句子里的用法。
诊断的；有助于诊断的；特征的
concerned with or used for diagnosis; characteristic or indicative of a disease
The rash is diagnostic of measles.
这种皮疹是麻疹的特征性症状。
与诊断有关的
Of, or relating to diagnosis.
某种疾病的特征
Characteristic of a particular disease.
用于指示或指定一组相似事物中的特定项目或事物。
Serving to indicate or specify a particular item or thing within a group of similar things.
旨在评估学生对所教授材料的已有知识。
Intended to assess a student's preexisting knowledge on the material being taught.
The doctor ordered a series of diagnostic tests to identify the cause of her symptoms.
医生安排了一系列诊断测试，以确定她症状的原因。
A high fever is often diagnostic of a bacterial infection.
高烧通常是细菌感染的征候。
The software includes a diagnostic that checks for common errors.
该软件包含一个诊断程序，用于检查常见错误。
用于形容某症状或特征对疾病的诊断意义。
The rash is diagnostic of measles.
这种皮疹是麻疹的特征性症状。
常用作名词，指诊断程序或测试。
The technician ran a diagnostic on the computer.
技术人员对计算机进行了诊断。
形容词用法，修饰名词表示诊断性的。
Patients undergo a series of diagnostic tests.
患者接受一系列诊断测试。
Not this
We need to diagnostic the issue.
Use this
We need to diagnose the issue.
将形容词“diagnostic”误用作动词。英语中“diagnose”是动词，“diagnostic”是形容词或名词，表示“诊断的”或“诊断法”。
Not this
The doctor made a diagnostic.
Use this
The doctor made a diagnosis.
将形容词/名词“diagnostic”误用作名词“诊断”之义。正确的名词是“diagnosis”，表示诊断的结果或过程。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
诊断测试
The doctor ordered a diagnostic test to determine the cause of the symptoms.
医生要求进行诊断测试以确定症状的原因。
诊断工具
MRI is a powerful diagnostic tool for detecting brain tumors.
磁共振成像是检测脑肿瘤的强大诊断工具。
诊断标准
The new diagnostic criteria help identify the disease at an early stage.
新的诊断标准有助于在早期阶段识别该疾病。
诊断程序
A biopsy is a common diagnostic procedure for cancer.
活检是癌症常见的诊断程序。
诊断成像
Diagnostic imaging techniques such as X-rays and CT scans are widely used.
X光和CT扫描等诊断成像技术被广泛使用。
诊断错误
Diagnostic errors can lead to inappropriate treatment.
诊断错误可能导致不适当的治疗。
Use diagnostic naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
诊断(diagnostic): '带个闹死踢课'，想象医生带诊断仪，病人闹得要死，还踢课桌。
“diagnostic”作形容词时，通常用于医学或技术语境，表示与诊断相关的，语气比较正式，常见于书面和专业场合。
The adjective is commonly used attributively or predicatively, often in medical contexts. The noun can be uncountable (process) or countable (specific test or sign).
Dictionary facts from ECDICT, WIKTIONARY.