Of,for ,to,and at 用法

and
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conj.
1. 和,及,与,同;又
They sang and danced all night.
他们通宵唱歌跳舞。
My mother and father have never agreed on this matter.
我父母在这件事情上从未意见一致过。
2. 然后
She went to the United States in 1960 and has lived there ever since.
她于一九六○年去了美国,此后就一直住在那里。
3. 而且
You must stop, and at once, this sort of behavior.
你必须停止此类行为,而且必须立即停止。
4. 就;所以,因此
Go straight on and you'll see a church.
一直走下去你便可以看到一座教堂。
5. 而,但是
Vegetable oil is digestible and mineral oil is not.
植物油易消化而矿物油则不行。

of
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prep.
1. ...的,属于
One of the legs of the table is broken.
桌子的一条腿坏了。
Mr. Brown is a friend of mine.
布朗先生是我的朋友。
2. 用...做成的;由...制成
The house is of stone.
这房子是石建的。
3. 含有...的;装有...的
4. ...之中的;...的成员
Of all the students in this class, Tom is the best.
在这个班级中,汤姆是最优秀的。
5. (表示同位)
He came to New York at the age of ten.