1. between 表示某人（物）在两个或者两个以上的为数不多的单独的人或物之间；among表示某人（物）在一群人/一组人/一堆人或物中间，通常是三者以上，是不被单独看待的。如：
She was standing between Alice and Mary.我站在Alice和Mary中间。
She was standing among a crowd of children.她站在一群小孩中间。
Our house is between the wood,the river and the viliage.我们的房子在树木，河流和小镇中间。
His house is hidden among the trees.他的房子隐藏在树林中间。
2. between也可以用在三者以上的事物中间，表示一物和数物之间的关系，如：
a little valley between high mountains.小村庄在大山中间。
I saw something between the wheels of the car.我看到某物在车轮中间。
3. divide……between,share ……between（在……之间分享） 可以用在单数名词前，当在复数名词前使用时，between/among都可以使用，如：
He divided his money between his wife,his daughter and his sister.他把钱分给了妻子，女儿和妹妹。
I shared the food between/among all my friends.我把食物跟我所有的朋友分享了。