And so we can use the spin rate, the rotation rate of a star, as a clock to measure its age.
因此，我们可以用星星的自转速度及速率作为衡量它们年龄的计时器。
These signals, which show up because the telescope can't watch the star continuously, look like they could actually be planets, but they would disappear if we could observe round the clock.
这些信号的出现是因为他们不能连续的观测星星，如果他们进行24小时不间断观测，很多信号就会消失。
But the newfound star pair is unique in that they don't swap matter as they spin, providing a "clean clock" to measure the effects of gravitational waves, Brown said.
但是这对新发现的双星非常独特，因为它们在旋转时没有发生物质交换，这就好像为我们提供了一台“准确的时钟”，使我们可以对引力波的效果进行测量，布朗说道。
Hon choy so-yuk raised a question on demolition project for the old star ferry pier clock tower.
蔡素玉议员就旧天星码头钟楼拆卸工程提出一项质询。
If you had a clock on the surface of a neutron star, for example, it would tick at about 70% of the rate of a clock on Earth.
举个例子，假如你在中子星的表面有一个时钟，那么它的运行速度只有在地球的70%。
Beijing in spring is full of vigor. At 8 o 'clock in the morning, breathing fresh air, the contestants of the 4th Star of Outlook English Talent Competition Beijing final confidently go to the arena.
春天的北京一派欣欣向荣的景象，早晨8点，呼吸着清新的空气，参加第四届“希望之星”英语风采大赛北京赛区决赛的选手们满怀信心地走进了赛场。
Beijing in spring is full of vigor. At 8 o 'clock in the morning, breathing fresh air, the contestants of the 4th Star of Outlook English Talent Competition Beijing final confidently go to the arena.
春天的北京一派欣欣向荣的景象，早晨8点，呼吸着清新的空气，参加第四届“希望之星”英语风采大赛北京赛区决赛的选手们满怀信心地走进了赛场。
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