1·This is a normal phenomenon.
这是一个很正常的现象。
2·It's a normal phenomenon.
这是正常现象。
3·In fact, this is a normal phenomenon.
其实这是一种正常现象。
4·Is it a flaw of wine or a normal phenomenon?
这是酒的瑕疵，还是正常现象？
5·This is a normal phenomenon and will exist forever.
这是正常现象将永远存在。
6·This is a normal phenomenon, please rest assured use.
这属于正常现象，请您放心使用。
7·This is a normal phenomenon and also out of a scientific attitude.
这是正常现象也是科学态度。
8·It is a natural law and normal phenomenon that the opposite exists.
存在对立面是自然规律、是正常现象并不可怕。
9·In fact, in this season, the rise in blood pressure is normal phenomenon.
其实在这个季节，血压的上升也是很正常的现象。
10·In addition, seasonal factors, the winter is a normal phenomenon polyuria.
此外，季节因素，冬季多尿是正常现象。