Sluicegate
n. 水闸门；活闸门\\n
🗣️ 情景例句
How much time will it take for my mail to get to where it is going?
我的信件到达它要去的地方要用多少时间？
The wise man knows he knows nothing,the fool thinks the knows all.
聪明人自认一无所知，愚笨人自负无所不晓。
How do you do?
您好。