neutron sink

例句：

1. 1. The neutron sinking experiment was a failure.
   中子沉降实验失败了。
2. 2.The neutron sinking process is complex and requires careful monitoring.
   中子沉降过程复杂，需要仔细监控。
3. 3. The neutron sinking model has been widely used in nuclear engineering.
   中子沉降模型在核工程中得到了广泛应用。