When a large body strikes a planet or moon, material is ejected, thereby creating a hole in the planet and a local deficit of mass.

当一个大型天体撞击行星或月球时，物质会被抛射出去，从而在行星上形成一个洞，造成局部质量不足的现象。

youdao

The large spike in the Router task was a mass mailing, another example of a workload spike for which you must plan.

Router任务中的大峰值是大量邮件，这是必须计划的工作量峰值的另一个示例。

youdao

Another change is the appearance of a mass of discarded plastic that swirls round in two clots in the Pacific, each as large as the United States.

另一个变化是在太平洋出现了大量的废弃塑料在两个地点集中漂浮着，每一个都有美国那么大。

youdao

Before the meeting Pope Benedict celebrated a large open-air mass in Valletta, attended by thousands of people.

VOA: standard.2010.04.18

Tumors in her lungs shrank, a large abdominal mass stopped growing and a year after ending therapy her cancer was still in remission.

FORBES: Taxol's Next Stand

How do these numbers compare to those in the United States, the other large economy in the world with a big land mass?

FORBES: China's Insatiable Appetite For Heavy-Duty Trucks

Particularly when weighed against the incalculably high cost of rebuilding an American city after it has been attacked with a weapon of mass destruction, even a large investment in defending the country seems hardly unreasonable.

CENTERFORSECURITYPOLICY: Sea-Based Missile Defenses �� for the Allies, for the U.S.