Penstock
n. 水闸门, 水道, 水渠\\n[机] 压力水管, 导水管
✅ 同义词
🗣️ 情景例句
I never realized that.
我从来没有意识到这点。
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
Thanks for your letter.
谢谢你给我来信。