今日短语 Number 是“数字”，crunching 是动词 crunch 的现在分词，指“嘎吱嘎吱地咀嚼”，这两个词合在一起组成不可数名词“number-crunching”，意思是“对大量的数字进行运算”。 这个词适用于那些虽然简单但是需要很长时间才能完成的大量的数字计算。

Your child is learning new things every day. And just as you can help them with their language and reading, there are also ways you can boost your preschooler’s number skills. This is especially ...

Little kids are looking at a lot of dots these days. The theory behind this increasingly popular practice is that an effective way to teach counting might be by … not counting. That’s the ...