The most liable method now is the geological disposal, that is, to explore a closed and security natural burrier.
普遍采用的方法是地质处置，即保寻安全封闭的天然屏障。
2
His father was a tall trees, support the whole family, if you do not have him, haven the young seedling; his mother was a Lotus leaf, Without her, Are you missing this fish burrier of life.