Let's go over to see what is happening there.
We have gone over all those new words.
祝你开心如意!

There is a village over that river.
He iwww.souquanme.coms over 180cm tall.

一、介词over作“在……上方”、“在……上”（有覆盖、遮蔽之意）解：
1. The sun shines over the earth. 太阳照耀与地球上。
2. There is a bridge over the river. 河上有一座桥。
3. The weight of the air over one square foot of the earth at sea level is 2160 ponds. 地球海平面每平方英尺上方的空气总重为2160磅。
4. A cloud hangs over the summit. 一块云彩遮住了山顶。
5. Spread the tablecloth over the table. 把桌布铺在桌上。
二、介词over作“超过”、“在……上”解：
1. He has lived in Beijing over two years. 他在北京已住了二年以上。
2. It is over and above what is wanted. 这已超过需要量。
3. This method has an advantage over that one. 这种方法比那种优越。（advantage原意是优点。）
4. In 1958 the steel output registered a 100 percent increase over 1957. 1958年钢总产量比1957年增加100%。
5. The production of hardware has been increased over three times. 五金制品的产量增长了两倍多。
三、介词over作“通过”、“越过”、“溢出”解：
1. I heard the news over the radio. 我通过无线电听到这条消息。
2. This machine ran over night. 这台机器通宵运转了。
3. The soldiers got over the wall and jumped over the brook. 战士们越过墙，跳过小溪。
4. The gas is dried over the desiccant. 气体通过干燥剂而被干燥。
5. He had just come from over the sea. （over介词短语作介词from的宾语。）他刚从海外回来。
6. A river once flew over its banks. 河水一度溢出河岸。
四、介词over作“遍及”解：
1. The fog spreads over the town. 雾遍全城。
2. The mud was splashed over their clothes. 泥溅满了他们的衣服。
五、介词over作“对于”、“关于”（有支配、监督、保护、控制等含义）解：
1. There will be much discussion over this problem. 对于这个问题将有不少讨论。
2. We are talking over our production plan with them. 我们正同他们谈论有关我们的生产计划。（有“关于”含义）
3. He watches over a laboratory. 他照看一个实验室。（有“保护”含义。）
4. His suggestion has a great influence over(或on) us. 他的建议对我们有重大的影响。（有“支配”含义。）
六、副词over作表语，作“完了”、“结束”解：
1. The test is over. 这个试验结束了。
2. The struggle was not yet over. 斗争还没有结束。
七、副词over作“多余”、“过度”、“太”解：
1. I gave you two glasses and had three glasses over. 我给了你两个玻璃杯，还余下三个玻璃杯。
2. Five goes into eight once with three over. 五除八得一余三。
3. How much is left over? 剩下多少？
4. That is not over well. 那不太好。
八、副词over作“越过”、“出”解：
1. Come over and see us next week. 下星期过来看我们吧。
2. He will go（或sail, fly）over to Japan. 他将出发（渡海、飞）到日本去。
3. The milk boiled over. 牛奶煮开溢出来了。
九、副词over作“遍满”、“全部地”解：
1. He readbnKiGeyxO this book over. 他通读了这本书。
2. The river is frozen over. 这条河全部结了冰。
十、副词over作“重复地”、“再一次”解：
1. I did this experiment three times over. 这个实验我重复做了三次。
2. This test must be done over (again). 这项试验必须重作一次。
十一、副词over表示“时间持续”或“在…（期间）中”的意思：
1. The construction work can be carried out all the year over（或round或around）.这项建筑工程可以整年进行。
2. I have learnt 500 English words over the past year. 在过去一年里我学了500个英语单词。
十二、介词over表示“由于…”之意：
We rejoiced over the victory. 我们因胜利而高兴。
十三、几点注意：
Ⅰ. 带有over的词组，注意over是介词还是副词：
1. to jump over （副词）跳过去
to jump over a brook （介词bnKiGeyxO）跳过小溪
2. to talk the matter over （副词）把事情谈清楚
to talk over the matter （介词）谈论这件事
3. I have three books over. （副词）我余下三本书。
I have over three books. （介词）我有三本以上的书。
4. to think the matter over （副词）把这件事全面地考虑
to think over the matter （介词）思考这件事情
但有时用介词和副词over，意义仍然相同。例如：
All the peoples the world over(=All the peoples over the world或through//www.souquanme.comout the world)are fighting against imperialism. 全世界各国人民正同帝国主义斗争。
Ⅱ. over表示“垂直在上”，而above就不一定。例如：
1. Their laboratory is right over ours. 他们的实验室恰好在我们的上面。（垂直在上）
2. Their laboratory is above ours. 他们的实验室在我们上面。（不一定垂直在上）
Ⅲ. over表示“蒙起来和遍及全面”的含义，而above仅表示上下次序：
1. I pulled the blanket over me. 我把毯子来过来盖在身上。
2. Put this book above the other one. 把这本书放在那本上面。
3. The steel industry is widely distributed over the country. 钢铁工业遍布国内。
4. The sun rises above the horizon. 太阳升起在地平线上。
Ⅳ.注意同一词组，由于后面搭配的词不同，意义也有所不同：
to go over a combine 检查一台联合收割机
to go over a lesson 复习功课
to go over the ground of the matter 调查这件事的情况
to go over to China 出发到中国去