控制棒是由能够吸收中子的硼元素制成。

The control rods are made of boron which absorbs neutrons.

youdao

同时向堆芯注射可吸收中子的硼酸来作为一种附加的安全措施。

As an added safety measure, they injected neutron-absorbing boric acid into the core.

youdao

硼是一种可以吸收中子的元素，中子是一种存在于所有的原子核中的亚原子粒子。

Boron is an element with the ability to absorb neutrons, the sub-atomic particles that occur in the nucleus of all atoms.

youdao