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- This spectacular image of the supernova remnant Cassiopeia A is the most detailed image ever made of the remains of an exploded star. 这张壮观的仙后座A照片是迄今对爆发恒星的残骸拍摄过的最精细的照片。
- These filaments are seen in other supernova remnants such as Cassiopeia A, Tycho and Kepler. 纤维结构见于仙后座A、第谷、开普勒等超新星遗迹中。
- Nearly ten years ago, Chandra's “First Light” image of Cassiopeia A (Cas A) revealed previously unseen structures and detail. 10年钱,钱德拉第一次拍摄到仙女座A的时候向我们展示了它前所未见的结构和细节。
- Cassiopeia A is the remains of a star thought to have exploded about 330 years ago, and is one of the youngest remnants in the Milky Way galaxy. 仙女座A是一个330年前爆炸的超新星的残余,它也是银河系最近的爆炸遗迹。
- It has taken the 340-year-old remains of supernovae, "Cassiopeia a" to the astronomer has revealed that the outbreak of the stars may be an important source of cosmic rays. 这个庞大的星系团(上图右侧)证明了一种称为暗能量的神秘力量的存在。据说,暗能量加速了宇宙的膨胀速度。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- This place doesn't have a very savory reputation. 这个地方的名声可不太好。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- I am a hundred percent in agreement with you. 我百分之百同意你的看法。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- I bought a pair of tan leather shoes the other day. 前几天我买了双棕褐色的皮鞋。