浓缩 /nóngsuō/ angolul

concentrate [concentrated, concentrating, concentrates]▼(increase the strength and diminish the bulk of, as of a liquid or an ore)
verb
[UK: ˈkɒn.sən.treɪt] [US: ˈkɑːn.sən.ˌtret]

enrich [enriched, enriching, enriches]▼(to increase the amount of one isotope in a mixture of isotopes)
verb
[UK: ɪn.ˈrɪtʃ] [US: en.ˈrɪtʃ]