当氧耗尽时，在方铁矿中遗留下氧耗尽的空洞，形成眼球状构造。

When the oxygen was consumed up by the wustite, some holes remained and showed eyeball structures.

youdao

当氧耗尽时，在方铁矿中遗留下氧耗尽的空洞，形成眼球状构造。

When the oxygen was consumed up by the wustite, some holes remained and showed eyeball structures.

youdao