an extra outer door for protection against severe weather or winter
例句与用法
1.
Its storm doors were tightly closed . 大门紧紧地关闭着。
2.
I opened the front door and saw two small children in rags huddling together inside the storm door on the top step 我推开前门，看见两个小孩子穿着单薄的破衣裳，在外门内的台阶顶上挤成一团。
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