Pedal point
n. 持续音（部）, 持续低音（部）
🧩 词语组成解析
🗣️ 情景例句
There's a long way to go in reviving the countr's economy.
这个国家的经济复苏还有很长一段路要走。
Do you ever work at the factory on Sunday?
你曾经在星期日在工厂工作吗？
The most surprising thing about it, however, is that it can land anywhere: on snow, water, or even on a ploughed field.
雪地上，水面上，甚至刚耕过的田里。