1、打开：open。

2、关闭：close。双语例句：Shall I open the window? —Yes,do. 我把窗户打开好吗? —好，打开吧。The dollar declined on the open market. 美元在公开市场上下跌了。These cars are to be procured through open tender. 这些汽车要用公开招标的办法购买。While you are up, close the door. 你要是起来就把门关上。I'm close with her. 我和她关系密切。They have decided to close that branch down. 他们决定把那个分公司关了。