She wondered if perhaps the bird was actually a giant kite, and the men were using it to lift a heavy object.

她想知道，那只鸟是否真的是一只巨大的风筝，而那些人是否正用它来举很重的东西。

A heavy object, like a football player moving at a high speed, has a lot of momentum—that is, once he is moving, it is hard to change his state of motion.

一个重物有很大的动量，也就是说，比如一位高速移动的足球运动员一旦运动起来，就很难改变运动状态。

Before you lift a heavy object, think through your task.

在你移动一件重物之前，想想你整个任务过程。

Notice that WebResource is a heavy object, so you create it once.

注意WebResource是一个大对象，因此只创建一次。

Greatly but the heavy object from high will put on to take away.

大力但沉重的物体从高将放在带走。

Have you ever tried to pull a rabbit out of a hat or make a heavy object levitate?

您曾试过从帽子里变出一只兔子，或是让重物飘浮在空中吗？

Balancing a pencil or any other top-heavy object on its tip is quite a precarious task.

将铅笔或任何头重的物体平衡在尖端都是在拼人品。

When transfer heavy object to a lower level, mine hoist usually USES the way of power braking.

矿井提升机下放重物时，多采用动力制动方式。

Glass is a heavy object which can be used as a tool of cast, press the paper and encase a butterfly.

玻璃杯是一个沉重的东西，它可以作为投掷的工具，玻璃杯可以用来压纸，可以用来装捉到的蝴蝶。

Its door was open, and stepping into black darkness he fell headlong over some heavy object on the floor.

房门开着，因为太黑，他进去的时候绊到了重物头向下摔倒。

Strike the frame with a sharp, heavy object at speeds most riders will never achieve, and check the result.

用一个沉重锋利的铁钻，在高速状态下冲击车架，以取得测试结果。

When using padding, anchor the pillow down with a sand bag or a non-reflecting heavy object so it doesn't move.

当使用填充物的时候，要用沙袋或者不会有声反射的重物把它压着，这样它就不会移动。

For example, lifting a heavy object, twisting while lifting, falling, or some sports could cause lumbar muscle strain.

比如，举一个沉重的物体，当举重物时扭腰，摔倒，或一些运动可引起腰部肌肉扭伤。

Then you might imagine that a heavy object would take one second to fall through the water of a 10-foot-deep swimming pool.

然后你可以想象一个重物掉进一个10英尺深的游泳池只需要1秒钟到底。

No, but you have sprained your lumbar muscles. This is because you overstrained or the position of your body was improper when you carried the heavy object.

不，只是你扭伤了腰肌。这是因为当你搬运重物时过度用力或身体姿势不当引起的。

The top three causes of the accidental injury are: road accident injury (43.4%), drifting-down injury (31.7%) and the bruise injury caused by heavy object (12.8%).

造成意外伤害的原因前三位是交通伤(43.4%)、跌落伤(31.7%)、重物砸伤(12.8%)。

This would allow the lighter object to create drag and slow the heavy one down.

这时较轻的物体会对较重的物体产生一个拽力，使得重物的下落速度变慢。

Whether you have a very light object or a very heavy satellite, they have the same velocity in orbit if they are at the same distance, and they have the same orbital period.

不论你有个很轻的,物体还是很重的卫星,如果它们距离相同且,在轨道运动时间,相同，则速度一样。

We also wrapped the core column with light-transmitting bamboo boards to form a light-box, which transforms the previously heavy concrete block into a light and lively focus object.

我们也八核心柱用透光竹板包裹成一个“光箱”，从而使原来凝重的混凝土体块变成轻快、生动的视觉中心。

If an object is too heavy to lift safely, find someone to help you.

如果物品太重不能保证安全移动，那么找个人来帮帮你。

As humans, we are sensitive to where an object in our hand is heavy.

对于人们，我们对于我们手中物品的重量很敏感。

We also wrapped the core column with light-transmitting bamboo boards to form a light-box, which transforms the previously heavy concrete block into a light and lively focus object.

我们还包裹光传送竹板形成一个灯箱，它变成一盏灯，活泼的重点对象以前重芯柱混凝土砌块。