underdrain
/'ʌndәdrein/
📖 中文释义
- n. 阴沟, 地下沟道, 盲沟, 暗渠
🔗 释义中的汉语词
📘 English Definition（英文释义）
- n. An underground drain or trench with openings through
- which the water may percolate from the soil or ground above.
- v. t. To drain by forming an underdrain or underdrains in;
- as, to underdrain land.