置换 (zhì huàn) — (general) to replace, to substitute; (chemistry) to displace (in a reaction); (mathematics) to permute
定義
Formal/scientific verb meaning 'to replace, to substitute' — used in technical contexts (chemistry, mathematics) rather than daily speech. For everyday 'replace', learners will meet other words first.
verb
(general) to replaceto substitute(chemistry) to displace (in a reaction)(mathematics) to permute
例文
- 置换。Wǒ men xū yào zhì huàn zhè ge jiù líng jiàn.We need to replace this old part.
- ，置换。Zài huà xué fǎn yìng zhōng, lǜ qì néng zhì huàn xiù.In chemical reactions, chlorine gas can displace bromine.
- 置换。zhì huàn Qún shì shù xué zhōng de yí gè zhòng yào gài niàn.Permutation groups are an important concept in mathematics.
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