是。意思是（表示时间）从…；（表示原因）因为；（表示来源）来自…；（表示分离）与…分离、隔开；（表示比较）与…相比；（表示否定）免于、免遭；（表示范围）从较低限度算起。
from造句
1、Keep flax from fire,youth from gaming.
2、From hearing comes wisdom; from speaking, repentance.
3、Tactics differs from strategy.
4、Mud oozed from underground.
5、Fuel from the air?
6、refrained from commenting.
7、That's prosciutto from Italy.
8、Plants develop from seeds, but many animals developed from eggs.
9、Europe benefits from America's unease.
10、As if not from the sod but falling from heaven.