Examlex
A single carboxylic acid molecule may contain more than one carboxyl functional group.
Language Learning
The process of acquiring the ability to understand, produce, and communicate through language, either natively or as a second language.
Grammatical Rules
The set of structural principles governing the composition of clauses, phrases, and words in any given natural language.
Primary Cause
The main or initiating factor that leads to an event or condition.
Missing Word
A word that is left out or omitted from a text or sentence, often used in language tests to assess comprehension or vocabulary.
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