Word · Frequency #17746
staining
弄脏；沾污
核心释义
指使某物沾上污渍或颜色的动作
the act of spotting or staining something
- 1.
(组织学)染色；用染料给标本着色以进行显微镜研究
(histology) the use of a dye to color specimens for microscopic study
- 2.
玷污；染色；弄脏
the act of spotting or staining something
染色；(组织学)染色；用染料给标本着色以进行显微镜研究；玷污；染色；弄脏
用法In use
Staining the wood took longer than we had planned.
用法提示：staining 是动名词，作主语，表示染色这一行为。
Histological staining requires careful preparation of the tissue sample.
用法提示：staining 为名词，特指组织学中给标本染色的技术。
The technician avoided staining the glass slide with too much dye.
用法提示：staining 是动名词，用作 avoided 的宾语，表示染色这个行为。
staining of [specimen]
此处的 staining 是不可数名词，指用染料给标本着色的过程或结果。
The staining of the tissue sample revealed the cell nuclei clearly.
组织样本的染色清晰地显示了细胞核。
staining [noun]
staining 可直接修饰名词作定语，如 staining technique、staining solution。
相关词与表达Connections
搭配Collocations
- Gram staining
- 革兰氏染色
- Gram staining helps distinguish bacteria by their cell wall properties.革兰氏染色通过细胞壁的特性帮助区分细菌。
- tissue staining
- 组织染色
- Tissue staining reveals the microscopic structure of the sample.组织染色可显示样本的显微结构。
- staining solution
- 染色液
- The section was immersed in a staining solution for five minutes.切片在染色液中浸泡了五分钟。
- staining procedure
- 染色步骤
- Follow the manufacturer's instructions for the staining procedure.染色步骤请遵循制造商的说明。
- staining pattern
学习提示Learner notes
记忆技巧Memory Tip
想象白衬衫上溅了咖啡，stain渍慢慢扩大，加-ing就是“弄脏/染色”的过程；显微镜切片也要用染料stain标本。
语境与语域Context & Register
语域：mixed 常见场景：histology、microscopy、household cleaning、laundry staining 作名词时有两个常见含义：一是指组织学中的染色技术（用染料使标本在显微镜下可见），多用于学术或专业语境；二是指弄脏或留下污渍的动作，日常生活中较常用。正式程度随语境不同而变化。
语法说明Grammar Note
不可数名词，通常用于医学染色
发音与拼写Pronunciation & Spelling
发音匹配：raining、draining、gaining、training、straining 都以 /eɪnɪŋ/ 结尾，与 staining 同韵。waning 也同韵，但其拼写是 wane + -ing（a_e 结构）。注意形近但不同音的词：painting /ˈpeɪntɪŋ/、stinging /ˈstɪŋɪŋ/、signing /ˈsaɪnɪŋ/，不要混淆。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.