It is not all smooth nor all down hill.

不是一片光滑的平原。

When you are going down hill, you do not need to pedal.

你在下坡的时候，不用踩踏板。

I try to keep my speed up for an extended period of time after a down hill.

我是保持我的速度，在下坡之后再维持一段时间。

Down hill shoulder Drive: the shoulder over the downhill ski should be driving down onto the downhill ski.

山下侧肩膀驱动：山下板的上方的肩膀要驱向山下板。

The edge extension seriously affects the quality of welding. It is now to adopt down hill forming to reduce the edge extension.

边缘延伸严重影响焊接质量，目前可采用下山成型来减小边缘延伸。

Transitions: the weight shifts from down hill ski to the new downhill ski using lead change with out up weighting and down weighting.

转换：利用引导变换将重心从山下板转移到新的山下板上，没有重心的上下移动。

Gravity constantly tugs downward on a slope, but only when gravity's force exceeds the strength of the rocks, soils, and sediments composing the slope does land begin to slide down hill.

重力不断的向下托拽山坡，当重力作用超过岩石、沙子和沉积物的强度，就形成滑坡，并使得地面开始沿着山坡滑落。

Rats of training groups undertook a 2-week down hill running program with progressively increasing load, an exercise of heavy, moderate and light load of down hill running would be performed at last.

训练组大鼠进行2周的递增负荷下坡跑跑台运动训练，最终进行一次大、中和小负荷的下坡跑运动。

He came barreling down the hill and smashed into a phone booth.

他沿山坡飞驰下来，撞在了一个电话亭上。

The ball gathered pace as it rolled down the hill.

随着球向山下滚动，它的速度越来越快。

The engine started, revved, and the car jerked away down the hill.

发动机启动了，车加大油门冲下了山坡。

When I was a little kid I rolled down a hill and broke my leg.

我小的时候曾滚下山摔断了腿。

At about midday, a large car came down the hill and stopped near Hannay.

大约在中午时分，一辆大轿车从山上下来，停在哈内附近。

Seeing the big crowd coming towards him, he started to run down the hill, but slipped and went down on his hands and knees in the melting snow.

看到一大群人向他走来，他开始往山下跑，但是滑了一跤，手脚栽进了融雪里。

The stone rolled down the hill.

石头滚下山坡。

The women came down the hill with their loads of firewood.

妇女们背着柴火下了山。

The ball rolled down the hill.

球滚下了山。

The bus bounced down the hill.

公共汽车颠簸着开下山去。

We pelted down the hill after the car.

我们飞奔下山追赶那辆汽车。

The brakes on my bike failed half way down the hill.

我骑自行车下山到中途刹车失灵了。

I freewheeled down the hill to the village.

我从山上骑自行车一路滑行至村庄。

The procession made its way down the hill.

队伍走下山了。

The car began to roll back down the hill.

汽车开始倒着往山下滑。

I ran down the hill, and the turkeys ran too.

我跑下小山，火鸡也跟着跑。

As the soil is shed, it drops down and forms a little hill of dirt, a mound.

随着土壤的流失，它会下降，形成一个尘土山，一个土丘。

The child rolled down the hill.

小孩滚下这座小山丘。

He throws them down the hill.

他把所有的东西扔下了山。