这个单词是什么意思啊FROM

在不同句意中有不同的意思,,,,,一般是"从....来"或者"来自...."

from
prep.Abbr. fm.,fr.（介词）缩写 fm.,fr.
1 Used to indicate a specified place or time as a starting point:
从：用来表示做为起点的特定地点或时间：
2 walked home from the station; from six o'clock on.See Usage Note at escape See Usage Note at whence
从家走到车站；从六点钟开始参见 escape参见 whence
3 Used to indicate a specified point as the first of two limits:
从…：指定一特定点做为两个极限的前一个：
from grades four to six.
从四级到六级
4 Used to indicate a source, a cause, an agent, or an instrument:
由于：用来指定来源、起因、方法或用具：
a note from the teacher; taking a book from the shelf.
老师写的条；从架子上拿本书
5 Used to indicate separation, removal, or exclusion:
离开（脱离 ）：用以表示分离、转移或排除：
6 keep someone from making a mistake; liberation from bondage.
不让某人犯错误；解开绷带
Used to indicate differentiation:
7 用以表示区别：
know right from wrong.
区分正误
8 Because of:
因为：
faint from hunger.
饿昏