校门的英文：
gate

a whole new crop of college freshmen
一群刚进校门的大学新鲜人

The children were standing in a line, waiting to go into school.
孩子们排成一队等候进校门。

The caretaker closes up the school at 6 p.m..
下午六点钟看管人员关闭了校门。

The first auxiliary rule for becoming rich is to stay in school or, if out of school, go back to it.
致富的第一条辅助规则是坚持修完学业，即使走出了校门也要回去。

Close the lock gate please.
请关上闸门。

Please keep clear of the gates.
请勿靠近门。

main gate lodge
大闸区；大闸门房；大闸传达室

He is a gate-crasher.
他是个不速之客

josephson junction logic gate
约瑟夫逊结逻辑门电路