Retaining wall
n. 拥壁，挡土墙，护岸
📖 牛津释义
retaining wall
wall built to support a mass of earth or to confine water 挡土墙; 挡水墙; 拥壁.
🧩 词语组成解析
n. 保留, 保持, 维持防护\\nv. 保持( retain的现在分词 ); 拦住; 保存; 止住
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
it is not always safe by the time it reaches the tap.
等水到达龙头时就不一定总是安全的了。