Word · Frequency #24493
formaldehyde
甲醛
核心释义
a colorless poisonous gas produced by oxidizing methanol
- 1.
The simplest aldehyde, HCHO, a colourless gas that has many industrial applications; it dissolves in water to give formol (10%) and formalin.
甲醛;[化] 甲醛
用法In use
The lab technician stored the formaldehyde in a sealed glass bottle.
用法提示:这里formaldehyde是名词,指一种化学物质“甲醛”。
Formaldehyde has a sharp, unpleasant smell even at low concentrations.
用法提示:句中formaldehyde作主语,是名词,表示“甲醛”。
Some furniture glues release small amounts of formaldehyde into the air.
用法提示:这里formaldehyde是名词,作release的宾语,指“甲醛”。
exposure to formaldehyde
exposure to 是固定搭配,to 为介词,后接名词。
Prolonged exposure to formaldehyde may cause irritation.
长期接触甲醛可能引起刺激。
contain formaldehyde
contain 是及物动词,直接接宾语,不接介词。
相关词与表达Connections
搭配Collocations
- formaldehyde solution
- 甲醛溶液
- The lab stores the formaldehyde solution in a sealed bottle.实验室将甲醛溶液存放在密封瓶中。
- formaldehyde resin
- 甲醛树脂
- Formaldehyde resin is widely used in making adhesives.甲醛树脂广泛用于制造粘合剂。
- formaldehyde exposure
- 甲醛接触;甲醛暴露
- Prolonged formaldehyde exposure can cause health problems.长期接触甲醛可能导致健康问题。
- formaldehyde fumes
- 甲醛烟雾
- The new furniture gave off formaldehyde fumes for weeks.新家具数周内都散发出甲醛烟雾。
- formaldehyde-free
学习提示Learner notes
记忆技巧Memory Tip
甲醛(formaldehyde)可拆成 form+aldehyde,联想防腐保存'形态'的刺鼻液体,甲醛即福尔马林主成分。
语境与语域Context & Register
语域:neutral 常见场景:laboratory analysis、industrial safety notices、consumer product warnings 通常用于科技、医学或工业类文本,正式程度偏中性;日常口语中较少单独使用,更多见于报告、说明或新闻中。
语法说明Grammar Note
甲醛
发音与拼写Pronunciation & Spelling
以上单词均以 /haɪd/ 结尾,与 formaldehyde 的词尾同音。注意 formaldehyde 的重音在 -mal-(ˈmæl),而 hide、ride 等单音节词的重音就在该音节,严格说并非传统押韵;guide 拼作 -uide,但读音仍是 /ɡaɪd/。
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 ECDICT, WIKTIONARY.