gate feed

例句：

1. 1. The gatefeed is a simple mechanism that preventsanimals from entering the house.
   门闩是一种简单的机制，防止动物进入房子。
2. 2. Theold gate feed has been replaced with anew one to make it easier for peopleto enter the garden.
   旧的门闩已被新的替换，使人们更容易进入花园。
3. 3.The gate feed is an important part ofthe security system in a building.
   门闩是建筑物安全系统的一个重要部分。