Language is hard. In fact, it's infinitely harder and more complicated than math. And yet, nearly every small child can learn and master language. 语言真的很难。老实讲,它比数学要复杂得多,也困难得多。不过,几乎所有的...
A simple brainteaser for children has sparked an online debate, with many adults arguing about what the correct answer is. 一个看似简单的儿童谜语近日在网上引发热论,很多成年人为正确答案到底是什么争论不休。 The...
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mathematics 数学 theorem 定理 calculation 计算 operation 运算 arithmetic 算术,四则运算 addition 加法 subtraction 减法 multiplication 乘法 division 除法 sum 和 remainder 余 pro...