Then other construction projects nearby began, including the adjacent Transbay Transit Center, which required their own deep excavations and groundwater drawdowns.

随后附近的其他建设项目也开始了，包括邻近的 Transbay 交通中心，该项目需要进行深基坑挖掘和地下水抽取。

I was taught how to select stone from the quarry, a deep excavation pit outside of town that contains the material we use.

我被教导如何从采石场挑选石头，采石场是城外的一个深坑，里面有我们使用的材料。