最佳答案:The experts considered this important discovery as the great breakthrough in med
最佳答案:(1)USA代表美利坚合国.(stand for)USA stands for the United Nations.(2)我们把这条狗看成了我们家的一员.(c
最佳答案:If you regard your classmates as your family,you will feel like a part of the cl
最佳答案:有理数,算术之奇数也.其所含者,正整数、负整数、零也.或有人视之为正负数,以其为易,然为彼所惑者甚众,算术鸿儒亦如是,余于有理数所解如下:有理数之解众皆明之——