你该注意到，我的工作环境里根本没有桌子之类的普通家具------一方面是因为窗台可兼做两用，既是工作台又是起居室；另一方面是因为只要有台笔记本，别的就用不着了。
You'll notice that I don't have the usual desk accoutrements in my workspace – partly because it doubles as my living room windowsill, and partly because I don't require much more than my laptop.
研究星团的天文学家已经注意到质量一定的行星(通过追踪表面阴暗冷却斑点来测量)，其旋转速度随着其星龄呈现可预测性的变化。
Astronomers who study star clusters have noticed that the speed at which a star of a given mass spins (measured by tracking cool, dark spots on the surface) also seems to vary predictably with age.
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