re·a·gent 
(rē-ājənt)
(rē-ājənt)n.
A substance used in a chemical reaction to detect, measure, examine, or produce other substances.
| 单词 | reagent |
| 释义 | re·a·gent (rē-ājənt)n. A substance used in a chemical reaction to detect, measure, examine, or produce other substances. |
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