Celestial mechanics, spacecrafts, and 50th years of the first humans on the MoonCelestial mechanicsAstrodynamicsOrbital dynamicsAerospace engineering is a relatively new topic in engineering. It deals with several aspects of activities related to space. It includes Astrodynamics, which is a field that ...
正确答案：C
相关知识点: 试题来源: 解析 settlers 题目需要填写“移居者”对应的英文单词。“移居者”可译为**settlers**或**colonists**。根据句意,指“迁移到月球居住的人群”,更侧重主动迁徙(非殖民扩张),**settlers**更贴切。题目结构完整,无需舍弃。反馈 收藏 ...
百度试题 结果1 题目In (), the first humans walked on the moon.相关知识点: 试题来源: 解析反馈 收藏
The historic launch of the Apollo 11 mission carried three astronauts toward the moon. Two of them would set foot on the lunar surface for the first time in human history.
July 20, 1969, this is the first human to walk on the moon. 翻译结果2复制译文编辑译文朗读译文返回顶部 翻译结果3复制译文编辑译文朗读译文返回顶部 On July 20, 1969, humans first set foot on the moon. 翻译结果4复制译文编辑译文朗读译文返回顶部 ...
B. Since humans sent the first satellite (卫星) to space in the 1950s, scientists have been studying an important topic: how to grow food in space if humans will one day live there. A recent experiment (实验) at the Tiangong space station makes a big step forward. Chinese astronauts hav...
In 1969, humans landed on the moon for the first time.Now, many other countries want to go there as well. Why?The moon has a lot of minerals(矿物质) and other useful things. We want to find out if we can use them. The moon is our closest neighbour in space. We can use it as...
China is now going to build a research station on the Moon by the 2020s. It will further improve our understanding of the lunar (月球的) surface.In the future, humans might discover planets that are similar to the Earth and even new life there. However, this goal is still far away ...
The Moon: Our natural satellite The Golden Handle appears on the Moon’s terminator a couple of days after First Quarter. You’ll need a pair of binoculars, or the zoom function on your camera. ©iStockphoto.com/BrianEKushner & ©timeanddate.com ...