开封

例句：

1. 1. The box needs to be opened for inspection.
   这个箱子需要打开进行检查。
2. 2. After the meeting, the door was opened by the secretary.
   会议结束后，秘书打开了门。
3. 3. The gates were opened to allow more people in.
   大门被打开，以便更多人进入。