Walling
n. 砌墙；墙壁
🗣️ 情景例句
What happened?
发生了什么事？
Wouldn't that be too much bother?
不会太麻烦吧？
you will realize that a modern navy is a good place to study noise.
你就会认识到现代海军是研究噪音的好地方。