中国终于有了自制的航空母舰,这确实值得骄傲。
China has owned its first homemade aircraft carrier finally. That's really something to be ____ ____.
六位数由三位数重复构成,如256256,或678678等等,这类数不能被何数整除( )
判断下面的词语是否正确。
甜蜜