Then, scientists placed about 100 very cold hydrogen atoms into the " magnetic trap."

然后，科学家将大约100个非常冷的氢原子放入“磁陷阱”中。

First of all, cold atoms can make very good detectors.

首先，冷原子可以成为非常好的探测器。

Secondly, cold atoms hold enormous potential for probing the frontiers of physics.

其次，冷原子具有探索物理学前沿的巨大潜力。