Pronunciation: ˈdʌb(ə)l rɪˈpleɪsm(ə)nt rɪˈakʃ(ə)n
Parts of Speech: noun
a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound
Definition: Meaning of, nonchalance in English to Chinese dictionary.
Pronunciation: / ˈnɒnʃ(ə)l(ə)ns;ˈnɒnʃəl(ə)ns /
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