Point to your math book. Point to your spelling book.指一下你的数学书, 指一下你的拼写书.An English book a Chinese book, a math book.一本英语书,一本语文书, 一本数学书.Why was the math book upset?为什么数学书很心烦?...

数学书...

math book的音标：math book的英式发音音标为：[mæθ buk]math book的美式发音音标为：[mæθ bʊk]...