normal earth ellipsoid 正常地球椭球
When they are brought back to the earth, these seeds produce vegetables that are bigger, healthier and more nutritious (有营养的) than normal vegetables.
这些种子被带回地球后,种出的蔬菜比普通蔬菜更大、更健康、更有营养。
It's difficult to readjust to life on Earth, to go from being a temporary cosmonaut to being a normal civilian.
重新调整以适应地球生活是困难的,从临时宇航员到普通平民的适应也是一样。
It is a normal element cycled around in the earth and my science, which is looking back in time, is saying we have had a planet that has been a green, warm wet planet 80 per cent of the time.
这是地球上一个正常的元素循环,我的科学沿时间回溯,表明我们的地球80%的时间曾是一个绿色、温暖、潮湿的行星。
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