Floodwall
n. 防洪石堤,防洪岸壁
🗣️ 情景例句
May I ... may I help?
我能……我能帮上忙吗？
Let's go out to the airport. The plane landed ten minutes ago.
让我们去机场。 飞机在10分钟前降落。
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。