It's important to tighten up the wheels properly, otherwise they vibrate loose and fall off.
把车轮拧紧很重要，否则它们会振动而松脱。
In 'come back', 'break down' and 'fall off', 'back', 'down' and 'off' are all adverbial particles.
在comeback、breakdown和fall off中，back、down和off都是副词小词。
You will fall off that bike now and then.
你会时不时从自行车上摔下来。
I was sorry the moment I saw her fall off the tree.
看到她从树上掉下来的那一刻，我很抱歉。
In autumn, quite a few leaves turn yellow and fall off the trees.
在秋天，很多树叶变黄并从树上落下。
They fall off the plastic objects and are moved by the wind, just like dust.
它们就像灰尘一样从塑料物体上脱落，被风吹走。
After being exposed to air during digging, the coating under the paint began to fall off.
挖掘过程中经暴露在空气中后，油漆下的涂层开始脱落。
Afraid that in her unclear state of mind she might fall off the rock to her death, Grant climbed on all fours up a tight, narrow path by digging into the earth with his fingers and feet until he reached Paula.
担心她在神志不清的状态下会从岩石上掉下来摔死，格兰特手脚插入泥土，四肢并用地沿着一条狭窄的小路往上爬，一直爬到宝拉身边。
"I was turning the page to get ready for the next page, but the draft wind from the turn caused the spare pages to fall off the stand," Mr. Titterton said, "Luckily I was able to catch them and put them back."
蒂特顿先生说：“有一次，我在翻着一页，准备到下一页，但翻页带来的风导致剩下的乐谱从架子上掉了下来，但所幸的是，我接住了它们，并将它们放了回去。”
In autumn the leaves wither and fall off the trees.
秋天，树叶枯萎并从树上落下来。
Eventually you develop a scab, and then it would fall off as it healed, and you'd be left with a scar.
最终你会结成一个痂，当它愈合的时候，它会脱落，然后你会留下一个伤疤。
My partner says no because the boiler could go, or the roof fall off, and we have no savings to save us.
我的另一半说不，因为锅炉可能会坏掉，屋顶可能会掉下来，而我们没有可用以自救的储蓄。
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.
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。
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.
他是一位研究如何减少垃圾的环境科学家，其中包括研究减少垃圾车行驶时掉下来的东西，当你考虑到这一点，自然就能明白他为什么会养成这种奇怪的习惯了。
Leaves fall off the trees in the autumn.
秋天，树叶纷纷从树上掉下来。
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。
Miraculously, I didn’t fall off.
我居然没有掉下来，这简直是个奇迹。
I fall off my perch, you stupid fool! Screeched the parrot.
“我会从树干上掉下去的，你这个笨蛋！”鹦鹉尖声说道。
RHETT: No, Bonnie, you can't... Well if you fall off, don't.
瑞德：不行，邦尼，你别……好吧。如果你摔下来，别哭，也别怨我。
That means some things have to fall off the plate for the current iteration.
那意味着有些事情必须推迟进行，让位给当前的迭代。
Then I watched all the glass that were on the table fall off onto the floor.
接着我看到桌上玻璃杯都摔落到地上。
You're so clumsy and awkward. You'll probably fall off the ladder and hurt yourself.
你笨手笨脚的，说不定会从梯子上摔下来受伤的。
Some caused files to be deleted, or made the letters on the screen appear to fall off.
有些使文件被删除，或使屏幕上的字看起来往下掉。
The Asia Pacific region led the decline with a more than 14 percent fall off in demand.
亚太地区乘客人数减少的幅度更是超过了14%。
The moment his fingers leave the leather loop of the handle, he will fall off the planet.
他的手指一旦松开皮包拎手，就会坠落星球万劫不复。
If you fall off your weekly review, just re-focus yourself and start again the next week.
如果你忘掉了每周的回顾，调整自己从下一周开始。
"So if they can't exist under the new conditions they literally fall off the continent," he says.
如果在新的环境不能生存的话，它们将逐渐消失。
When numbers of recruits and receipts fall off, Hubbard orders staffers onto a diet of rice and beans.
当新人的数量和教会的收入下降时，哈伯德下令工作人员只许吃米饭和豆子。
In the Panhandle we were minute pieces in a board game. Reach the end of the board and we fall off.
在狭长地带我们像棋盘上微小的棋子，到了棋盘边上我们都倒下了。
One day, Richard saw one of these springs fall off his desk. It rolled over itself in the most fascinating way.
一天，查理德看到其中的一个弹簧从他的桌子上掉了下来，以非常迷人的方式自个儿翻转了起来。
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