Penstocks
(penstock 的第三人称 -s形式) n. 水闸门, 水道, 水渠\\n[机] 压力水管, 导水管
🗣️ 情景例句
Frank, you can learn as we go.
Frank，我们玩， 你跟着学。
I didn't read the whole paper, arts column.
我没有看到报纸的全部，我只是大概看了艺术版。
which I found most helpful on the cross-country journey, but which I did not think I should need on the last stage.
在乡间行车途中，我觉得它非常有用，但快到家了，我倒觉得它没什么用了。