1. By drilling, geologists can take measurements at various depths. 通过钻孔，地质学家可以在不同深度测量。
2. They frequently plumb the depths of loneliness, humiliation, and despair. 他们常常陷入孤独、屈辱和绝望的深渊。
3. Leaves, brown with long immersion, rose to the surface and vanished back into the depths. 长时间浸泡而成褐色的叶子浮上了水面，又消失在了水的深处。
4. I was in the depths of despair when the baby was terribly sick every day, and was losing weight. 宝宝每天都病得很重并且体重在下降的时候，我陷入绝望的深处。
5. From the flooded depths of the ship, some did manage to claw their way up iron ladders to the safety of the upper deck. 从被洪水淹了的船的深处，一些人着实艰难地爬上铁梯来到上层甲板的安全处。
