1·The paper had fallen down between the desk and the wall.
那张纸掉在桌子和墙壁之间的缝隙里。
—— 《牛津词典》
2·It is thought that the train hit a boulder that had fallen down a cliff on to the track.
人们认为这列火车撞到了从悬崖滚到铁轨上的大圆石。
—— 《柯林斯英汉双解大词典》
3·London Bridge has fallen down.
伦敦铁桥已垮。
4·His plans have fallen down.
他的规划失败了。
5·The wind must have been very strong, for the old tree has fallen down.
刚刚的风一定很大，因为那棵老树都已经被吹倒了。
6·When he had fallen down again without injury, the giant said: "What is this?"
当他安然无恙地再次落地时，巨人说：“这是怎么回事？”
7·A large part of the ceiling had fallen down, falling right on to the pillow of my bed.
一大块天花板掉了下来，正好落在我床上的枕头上。
8·His school had fallen down around him.
他的学校倒塌了，就倒在了他的身边。
9·My headscarf had fallen down, so I pulled it up.
我的头巾掉下来了，所以我又把它拉上去。
10·"The moon has fallen down the well," he said.
“月亮掉到井里了，”他说。