Stoper
[采矿]伸缩式凿岩机
🗣️ 情景例句
And this is my sister Susan and her husband Harry Bennett
这是我妹妹Susan和她丈夫Harry Bennett
He who does not advance falls backward.
不进则退。
They will also be building new roads and a special railway line.
他们还将修筑一些新的道路和一条铁路专线。