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
What was that about?
说些什么？
He's behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
Hello. Is that Bob?
喂！是鲍勃吗？