Papping
n. 奶头状物；【地质学】乳头状连峰
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
We have drapes for the living room,but we need kitchen curtains.
我们有客厅窗帘，但是我们需要厨房窗帘。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。