Waller
n. 石垛工；煤矿井下充填工
🗣️ 情景例句
I would also like to learn more about the culture behind the language.
我想学习和了解更多的关于语言之后文化的知识。
Poor health may be a bar to success in life.
健康不佳可能成为人一生中取得成功的障碍。
Two men took the parcel off the plane and carried it into the Customs House.
有两个人把包裹拿下飞机，进了海关。