英语语法分析

We call it a mega-maser.

我们叫它巨型脉泽。

He said he visited MaSeR periodically to ensure that the material was fully recycled.

他说他曾定期去参观过MaSeR以保证那些原料被完全回收利用。

For this new mega-maser, the light captured in today's photo was emitted 12 billion years ago.

对这次新发现的巨型脉泽而言，我们今天照片里捕获的光线是在120亿年之前发出的。