Deltaic
a. 三角形的, 三角洲的
🗣️ 情景例句
Great!
真棒！
The roofer is patching the roof with metal.
屋面防水工在用铁皮修补屋顶。
The winning car reached a speed of forty miles an hour -- much faster than any of its rivals.
获胜的那辆车达到了时速40英里--远远超过任何对手。