grammar
/ˈgræmər/
the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)
中文释义:语法;语法学
Good grammar is essential for clear communication in writing.
良好的语法对于清晰的书面交流至关重要。
The teacher explained the grammar rules for using past tense.
老师解释了使用过去时的语法规则。