Lockgates
(lockgate 的复数) n.(运河等的)闸门
🗣️ 情景例句
I sent the wrong key.
我寄错了钥匙。
He who wants a mule without fault,must walk on foot.
指望驴子无缺点，只有自己徒步行。
It's about 400 yards from here.
离这儿大约有400码。