gravity / ˈɡrævəti / n. 重力;引力【人教版高中英语必修三 unit 4 （单词与全书例句）】

 gravity 
/ ˈɡrævəti / 
n.    重力;引力

1. After many experiments, they succeeded in making rockets that could escape Earth's gravity.

2. ne of the most dangerous parts of space exploration is helping people to escape Earth's gravity.

3. Astronauts' bones and muscles can get very weak in space due to the lack of gravity, so they need to exercise every day, which will help them stay healthy.

1. 经过多次实验，他们成功制造出能够摆脱地球引力的火箭。

2. 太空探索中最危险的部分之一就是帮助人们摆脱地球引力。

3. 由于太空中缺乏重力，宇航员的骨骼和肌肉会变得非常脆弱，所以他们需要每天锻炼，这有助于他们保持健康。

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