semantics
noun [ U ] uk/sɪˈmæn.tɪks/ us/səˈmæn.t̬ɪks/
语义学
the study of meanings in a language
Syntax describes the rules by which words can be combined into sentences, while semantics describes what they mean. 句法描述单词组成句子的规则，而语义学则描述它们的意义。