from/frɔm/

1.preposition

(indicating starting place) 来自

where are you from?
你来自哪里?
to run away from home
离家出走
from London to Glasgow
从伦敦到格拉斯哥
to be back from Spain/Paris {etc}
从西班牙/巴黎{等}回来
viewed from above
从上鸟瞰
a light bulb hung from the ceiling
从天花板上垂下的灯泡
2.preposition

(indicating origin) 来自

a present/telephone call/letter from sb
来自某人的礼物/电话/信
to take sth from sb/sth
从某人/某物处拿某物
3.preposition

(with time,distance,price,numbers) 从

from January (on)
从1月(开始)
from one o'clock to {or} until two
从1点直到2点
it's 1 km from the beach
从海滩到这儿有1公里
a long way from home
离家很远
prices starting from £10
从10镑起价
unemployment has fallen from 7.5% to 7.2%
失业率已经从7.5%降至7.2%
six from ten leaves four
10减去6还剩4
4.preposition

(because of,on the basis of) 根据

from what he says
根据他所说的
from what I understand
据我所了解
5.preposition

made from (out of) 用…做成