| 词汇 | lactic acid | 
| 释义 | lactic acid  noun [ U ] uk/ˌlæk.tɪk ˈæs.ɪd/ us/ˌlæk.tɪk ˈæs.ɪd/  乳酸 an acid that exists in sour milk and is produced in muscles after a lot of exercise | 
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