These are extremely dense masses believed to exist at the center of most galaxies. Their gravitational pull is so strong, they absorb light.
黑洞是被认为存在于大多数星系中心的密度极大的物质，它具有非常强的引力，可以吸收光线。
I am maintaining my airspeed and looking outside to modify my pull and my turn to be able to arrive back at show center at roughly the same point where I started.
我要保持我的空速，看着舱外修正我的拉杆与转向动作使飞机能够在接近动作开始时的相同位置上回到展览中心上空。
The result that user has operated on the replicas may pull back to the center database, which provides an available means for data collection and database backup.
用户在本地对复制数据库进行的操作也可返回到中心数据库，为数据收集和数据库备份提供了有效的手段。
Shupletsov was more of an active skier who was able ski with a lot of knee Angle and absorption. Shupletsov appeared to actively pull his feet underneath his center of mass.
Shupletsov是一个较主动的选手，他在滑雪时有更大的膝盖角度和吸收，看上去他能更主动的将膝盖拉回到身体中心的下方。
Some economists say the troubled U. s. housing market is at the center of the country's economic woes, and warn the U. s. will not be able to pull out of a recession until the market recovers.
一些经济学家认为，美国处于困境中的房屋市场是美国经济困难的核心，他们警告说，美国在房屋市场恢复之前将无法走出衰退。
The fork moves the release bearing into the center of the pressureplate. This causes the pressure plate face to pull away from the clutch disc, releasing thedisc from the flywheel.
拨叉带动分离轴承进人压盘中部，从而使压盘和离合器盘分离，离合器盘和发动机飞轮分离。
The fork moves the release bearing into the center of the pressureplate. This causes the pressure plate face to pull away from the clutch disc, releasing thedisc from the flywheel.
拨叉带动分离轴承进人压盘中部，从而使压盘和离合器盘分离，离合器盘和发动机飞轮分离。
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