be open

• 开着； 开放

be open的用法和样例：

例句

1. The door was open, and Howard split.
   门开着，霍华德走了。
2. The fresh air blew in from the open window.
   新鲜空气从开着的窗户吹进来。
3. They demand that the library be open every day.
   他们要求图书馆每天开放。
4. The central heating will be put off next month.
   下个月暖气不开放了。