grammaticaladj.语法的;合乎文法的
grammatical wave语法波动
grammatical word文法字
grammatical form语法形式
grammatical item语法项
grammatical sense字面的意义
grammatical usage语法环境
grammatical rules语法规则
grammatical trait语法特点
grammatical tests语法测试
grammatical order语法次序
"this child already speaks grammatically"