10. storm door
an extra door that is fitted to the outside door of a house, etc. to give protection from bad weather
（用来防风、挡雨、御寒的）外重门
11. front door
the main entrance door to a house, at the front
12. doorknob
/ˈdɔːrnɑːb/
a round handle that you turn to open a door
球形门把手
13. porch light
porch
/pɔːrtʃ/
an entrance covered by a roof outside the front door of a house or church
（房子或教堂前门外有顶的）入口处，门廊
14. doorbell
a button outside a house that makes a sound when you push it so that people inside know you are there
门铃
15. screen door
a door with wire net fastened inside a frame, which is used outside the main door of a building to keep insects out
（防止昆虫进入的）纱门
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