But then I remembered how my studies had been concentrated on geography, history, arithmetic, and grammar, and I told the little chap ( a little crossly, too) that I did not know how to draw. 这时我却又记起,我只学过地理、历史、算术和语法,就有点为难地对小家伙说我不会画画。
Requirements of arithmetic expressions generated by the following grammar. 要求所分析算数表达式由如下的文法产生。
Education is not the chips of arithmetic and grammar. 教育不是有关算术和语法的零星知识。