Lockgate
n. (运河等的)闸门
🗣️ 情景例句
What books are required for this class?
这课需要什么样的书？
There it is.
门在那儿。
The Native Americans caught and trained them and were then able to use them to carry their goods when they travelled from one camping ground to another.
美洲土著人捕捉野马，加以驯服。