Cascade ring
[化] 阶梯环
🧩 词语组成解析
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
Who are those people?
那些人是谁？
On her way home she bought a new pen at a shop.
回家路上，她在一家商店买了一支新钢笔。