Word · Frequency #17039
capping
脱帽致敬
the act of raising or removing one's hat as a sign of respect
- 1.
The act of removing one's hat as a token of respect.
脱帽致敬的行为
- 2.
the leached upper part of a body or rock that still contains disseminated sulphide mineral deposit.
仍含有硫化物矿床的岩体或岩石的淋滤上部
- 3.
The process of covering a borehole in order to seal an oil well.
封闭油井以密封钻孔的过程
- 4.
The selling of a security etc. close to an expiry date.
在到期日附近出售证券等
- 5.
The conversion of a polyhedron into a stellated polyhedron by raising a pyramid on each face.
通过在每个面上升起一个金字塔将多面体转换为星形多面体
封井；临近到期日卖出证券；淋滤盖层；星形化；脱帽致敬的行为
In use
The capping of the old oil well will be completed next month.
Special training is required for the capping of high-pressure wells.
Engineers use heavy equipment to ensure the safe capping of the well.
the capping of [sth]
此义表示封堵钻孔或油井的过程，常用于石油工业。
The capping of the damaged oil well took several weeks.
封堵受损油井花了几周时间。
[mineral] capping
地质学中，capping 指矿体经风化淋滤后残存的上部岩层。
Iron capping is a useful marker for mineral exploration.
铁帽是矿产勘探的有用标志。
the capping of [security]
金融语境中，capping 指临近到期日卖出证券以锁定价差的做法。
Connections
Collocations
- well capping
- 封井（封闭钻孔以密封油井的过程）
- Well capping is one of the first steps after a blowout is brought under control.封井是井喷得到控制后的首要步骤之一。
- capping and pegging
- 压价与托价（在期权到期前操纵证券价格的行为）
- Capping and pegging near option expiry are regarded as market manipulation.在期权到期日前后压价与托价被视为市场操纵。
- leached capping
- 淋滤帽（矿床之上经淋滤形成的岩层）
- The leached capping above the ore body is rich in iron oxides.矿体上方的淋滤帽富含氧化铁。
Learner notes
Memory Tip
cap既是帽子又是盖子：capping就是给井盖帽、脱帽致意，记住这个动作都围着‘cap’转。
Context & Register
语域：formal 常见场景：文学或礼仪描写、地质勘探与矿物学报告、石油钻井与完井作业、期权或期货交易、几何学多面体变换 名词 capping 通常用于较正式或专业书面语。不同专业领域含义差别较大：如“脱帽致敬”多见于文学或礼仪描写，“封井”多用于石油工程，“临近到期卖出证券”常见于金融交易。日常口语中很少单独使用。
Grammar Note
复数形式 cappings 主要用于具体事物义项（如岩层上部、覆盖物）；抽象的行为/过程义通常用单数。
Pronunciation & Spelling
capping /ˈkæpɪŋ/ 与 mapping、tapping、wrapping、napping、clapping、rapping 押韵（重读元音及之后都是 /æpɪŋ/）。注意 wrapping 的 w 不发音；形近词 coping /ˈkoʊpɪŋ/ 和 cupping /ˈkʌpɪŋ/ 发音不同，不押韵。
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 AI_FALLBACK, ECDICT, WIKTIONARY.