fall off

Words fall off by disuse.

词不用就会成为废词.

You were helped a little by a fall-off in prescription drugs sales.

处方药品的销售额下降了,这对你也小有裨益.

Ground water evaporatesand collects on the sheet until small drops of water form, run down the material and fall off into the cup ．

地下水在覆盖膜上蒸发并收集起来，直至水滴形成、沿着材料流下并滴进杯子里。

Without her the wheels would fall off this fast moving train.

没有她的车轮脱落，这个快速移动的火车。

a recent fall-off in sales

近来销售量的减少

It's important to tighten up the wheels properly, otherwise they vibrate loose and fall off.

把轮子拧紧是很重要的，否则它们会因振动松动、脱落。

When their object is attained they fall off like empty hulls from the kernel.

当他们的目的达到以后,他们便凋谢零落,就象脱却果实的空壳一样.

Leaves fall off the trees in the autumn.

秋天,树叶纷纷从树上掉下来.

If the blocks are placed off-centre, they will fall down.

积木如果搭得中心错位就会倒塌。

You'll break your neck if you fall off the roof.

你要是从屋顶上跌下来会摔死的.

Grandmother would always come out and scold us, worried that we would fall off.

奶奶总是要骂的, 害怕我们摔下来.

My bicycle bell is apt to fall off when I ride too fast.

我骑车太快时,自行车的铃老爱掉下来.

When early autumn came, the leaves began to fall off the trees, and the spring was covered with leaves.

初秋来临,树叶开始从树上脱落，泉水也被树叶覆盖。

In autumn the leaves wither and fall off the trees.

秋天，树叶枯萎并从树上落下来。

In the first experiment, each student put a piece of buttered toast on a plate, let it fall off 20 times and noted which side it landed on ．

在第一个实验中，每个学生把一块涂了黄油的吐司放在盘子里，让它掉20次，然后记录它落在哪一边。

Flowers fall off [ will die], do what one may. Swallows return, no strangers they.

无可奈何花落去，似曾相识燕归来。

She ripped off her dress and let it fall to the floor

她一把扯下连衣裙，任其滑落到地上。

Flowers fall off [ will die ] , do what one may . Swallows return, no strangers they.

无可奈何花落去, 似曾相识燕归来.

Whip the cream until it refuses to fall off the spoon.

（将奶油打到不从勺子上掉下为止。）

His strange habit makes sense when you consider that he's an environmental scientist who studies how to reduce litter, including things that fall off garbage trucks as they drive down the road ．

如果你把他看作是一个研究如何减少垃圾的环境科学家，连那些路上垃圾车掉下来的东西也会研究，他那些奇怪习惯也就解释得通了。

ts are put there and do not fall off, only one cicada out of ten can manage to escape; when 5 pellets are put there and do not fall off, then catching cicadas is as easy as picking them up at will."

的时候，捕十只蝉只会逃走一只；当放五颗弹丸不掉下来的时候，捕蝉就像随手拾取一样容易了。”

Cyclists who swerve to avoid dogs may fall off their bicyles.

骑自行车转向躲狗的人非从车上摔下来不可.

Steady! Don't fall off.

小心！别摔下来。

These small square stones became a problem for the building and continued to fall off the face for 40 years until a major renovation was undertaken.

但这些方形的小石板成了大楼的问题，四十年来不断从外墙脱落，直到一项重大的翻新工程开始进行。

When you are learning to ride a bicycle, you often fall off.

初学骑自行车时, 常会从车上掉下来.

They feared some child would fall off.

她们怕会有孩子从上面掉下来。

The circulation of the paper began to fall off sharply.

这家报纸的销路开始锐减.

One slip and you could fall off the building.

脚下一滑就可能从建筑物上跌下去.

The play seems to fall off towards the end.

剧本近结尾处似乎较之前逊色.

Why things don't fall off the earth is explained in the text.

为什么东西不掉离地球课文里已有说明.