At the US Naval Observatory in Washington, its newest atomic clock is getting a climate-controlled room of its own for the first time.
在位于华盛顿的美国海军天文台,这里最新的原子钟首次得到了一个拥有空调的专用房间。
2
They aren't involved in vision but are connected by nerves directly into our 'body clock', which is a part of our brain controlled by circadian rhythms.
它与我们视觉无关,但通过神经系统直接影响我们‘生物时钟’,是昼夜节奏控制我们大脑。
3
Biorhythm a periodic physiological or behavioral change that is controlled by a biological clock. Circadian rhythms are an example.