Such superheavy elements are usually very radioactive and decay away almost instantly.
这种超重元素通常是具有非常强的放射性，并且几乎立即会发生衰变。
2
The safety the pole setting entirety is stabilized to superheavy form board of project plays arrive at decisive role.
竿的安全设置全部是稳定超重形式发挥董事会的项目达成决定性的作用。
3
But many researchers think it is possible that even heavier elements may occupy an “island of stability” in which superheavy atoms stick around for a while.