closed window

例句：

1. 1. The closed window is a symbol of safety.
   关闭的窗户是安全的象征。
2. 2.The child was so excited that he forgot to close the window.
   孩子太兴奋了，忘了关窗户。
3. 3. We need to keep the windows closed during the night to prevent bugs from entering.
   我们需要在晚上把窗户关上，以防虫子进来。