科学家们在美国天文学会会议上指出这对环绕矮星周边的任何生命体都将造成威胁。
Scientists at the American Astronomical Society meeting said that could pose a risk to any life orbiting dwarfs.
这是一个让你排除感情干扰、冷静地观察周边事件与互动的契机，看看你的工作会议、你与朋友们的聚会，看看你与所爱之人的谈话之类的。
This is a time to look dispassionately over events and interactions: a meeting or gathering at work or with friends, a talk with a loved one, etc.
一年一度的会议开始于四年前，旨在同周边国家通过北美自由贸易协定建立更稳固的关系。
The annual meeting was started four years ago as a way for the neighboring countries to build on ties established by the North American Free Trade Agreement.
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