Gravity is important not only on Earth, but also as a force that shapes the entire (整个的) universe. It keeps galaxies well, allowing stars to form and planets to exist. Gravity also influences events in space suc
词汇诠释pull n.[C]& vt.拉(力);拖;牵引力(教材原句 P30)As the rocket rose into the air,we were pushed back into our seats because we were trying to escape the pull of the earth's gravity.随着火箭升空,由于我们在努力挣脱地球的引力,我们被向后推在座位上。pull down拆掉pull in(火车)...
Weight is the force that measures the gravitational pull of Earth (taking this planet as a reference) over a massive body. Mass is what is measured on a scale (in Kg, lb, etc.), and it is a feature of the object itself that does not depend on the influences of any gravity field....
百度词典搜... ... Everyone saw the stunt you pulled on me. 大家都看见了你对我耍的花招。 ...the pull of gravity.重力的牵引... dict.baidu.com|基于9个网页 2. 地心引力 dict.youdao.com|基于3个网页 3. 不受地球引力的影响 高二下短语总结... ... 15. ___ science 应用科学 16. be ...
例如:“The pull of gravity keeps us on the earth.”(地球的引力使我们留在地面上。) (股票市场的)行情看涨;吸引力。例如:“The new product has a strong pull in the market.”(这款新产品在市场上很有吸引力。) 你觉得这个单词的用法掌握了吗?要不要再试一个和“pull”相关的单词,比如“push”(推...
Use it or lose it The human body grows with the pull of Earth's gravity (重力). But in space, our bones and muscles (肌肉) don't need to support our body's weight. This will cause bone and muscle loss.NASA says that astronauts can lose up to 20 percent of their muscles after ju...
2. pull n.[C]& vt.拉(力);拖;牵引力★背诵佳句培养语感(教材原句)As the rocket rose into the air, we were pushed back into our seats because we were trying to escape the pull of the earth's gravity.随着火箭升空,由于我们在努力挣脱地球的引力,我们被向后推在座位上。(鲜活例句)I ...
A new experiment, "Gravity Point", is proposed: The momentary direction of the pull of gravity on the surface of the earth can be probed. The time-dependent changes of the gravitational potential are either instantaneous in accord with Newton, or follow the change of the moon's position ...
In 1915, Albert Einstein figured out the answer when he published his theory of general relativity. The reason gravity pulls you toward the ground is that all objects with mass, like our Earth, actually bend and curve the fabric of the universe, called spacetime. That curvature is what you ...
It pulls on everything. The gravity of the earth pulls everything towards the center of the earth. You know this when you try to lift a heavy stone. Gravity pulls it down. The more the stone weights, the more gravity pulls on it. To lift the stone, you must pull up harder than ...