early gate

例句：

1. 1. The early gateis the first barrier that separates theoutside world from the inside.
   早门是分隔外界与内部的第一道屏障。
2. 2. The earlygate was designed to prevent people from enteringthe restricted area.
   早门的设计是为了阻止人们进入受限区域。
3. 3. The early gate was closeddue to security concerns.
   由于安全考虑，早门被关闭了。