代换 (dài huàn) — to replace, to substitute
Definition
More technical/written than 换 (huàn) — used in math, science, and formal writing to mean substituting one element for another (variables, ions, parts).
verb
to replaceto substitute
Examples
- 代换。Qǐng bǎ zhè ge líng jiàn dài huàn yí xià.Please replace this part.
- ，代换。Zài fāng chéng zhōng, wǒ men kě yǐ yòng biàn liàng dài huàn fǎ jiǎn huà jì suàn.In equations, we can use variable substitution to simplify calculations.
- 代换。Zhè ge fǎn yìng shì tōng guò lí zǐ dài huàn wán chéng de.This reaction is completed through ion substitution.
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