across from与from across有何区别
英语中 across from 与 from across 都可以说，但含义稍有区别：
1. across from 表静态意义，意为“在对面”，与 opposite 同义，此时也可省略 from 只用across。如：
Just across from our house there’s a school. 就在我们房子的对面有一所学校。
I’m staying at a little hotel just across from the Libyan Embassy. 我住在利比亚大使馆正对面的一所小旅馆里。
2. from across 则表动态意义，意为“从……的对面”。如：
He shouted to me from across the room. 他从房间的另一边向我喊。
They waved at us from across the room. 他们从房间那一头向我们招手。