大量

The mass of the Earth is approximately 5.97 x 10^24 kilograms.
地球的质量约为5.97 x 10^24千克。
The mass of this metal block is too heavy for me to lift alone.
这块金属块的质量太重了，我一个人提不动。
Astronomers calculated the mass of the black hole based on its gravitational pull.
天文学家根据黑洞的引力计算出了其质量。
The mass production of smartphones has significantly lowered their cost.
智能手机的大规模生产极大地降低了它们的成本。
During the holiday season, there's always a mass of people at the shopping mall.
在节假日期间，购物中心总是人山人海。
The mass extinction event wiped out many species from the Earth millions of years ago.
数百万年前的大灭绝事件导致地球上的许多物种消失。
She attended a mass at the church every Sunday morning.
她每个星期天早上都会去教堂做弥撒。
The government launched a mass vaccination campaign against COVID-19.
政府发起了大规模的新冠疫苗接种运动。
The mass media plays a crucial role in shaping public opinion.
大众媒体在塑造公众舆论中起着至关重要的作用。
Scientists believe that dark matter makes up a significant portion of the universe's mass.
科学家认为暗物质构成了宇宙质量的很大一部分。