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。
Casing plants, livestock trading center, tanneries the meat residue, Xueshui irrigated pasture every day to pull both the irrigated pasture, and reduce costs, protect the environment.
肠衣厂、畜产品交易中心、皮革厂的肉渣、血水每天拉来灌溉草场，既灌溉了草场，又降低了成本，保护了环境。
Dear passengers, vehicle started please pull the armrest, this vehicle to the civic center, the front faculty crossing (provincial TV university), get off passengers please prepared in advance.
各位乘客，车辆起步请拉好扶手，本车开往市民中心，前方教工路口(省电大)，下车的乘客请提前做好准备。
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。
Yao continues to pull off a deft magic trick. He makes people believe he's a devastating center when in actuality he's accomplished very little in his career.
姚明继续着自己的鬼把戏，他让人们相信他是一个具有统治力的中锋，但实际上，他的职业生涯取得的成就很少。
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。
When backstroke swimming the arms pull outside the center line, because your arms reach over your head they can only reach over your head so far.
当仰泳的时候，胳膊放在中心线以外，因为你的胳膊只能够达到你的头部这么远。
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。
With gravity happy to pull its center of mass even more off balance. And the more off-balanced it is, the more gravity pulls until…
而重力很乐意使其质心更偏离平衡点，越偏离平衡，重力作用越明显，直到…
With gravity happy to pull its center of mass even more off balance. And the more off-balanced it is, the more gravity pulls until…
而重力很乐意使其质心更偏离平衡点，越偏离平衡，重力作用越明显，直到…
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