您要找的是不是：
vt. 挖空（挖洞；开凿）
空心的屁股
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
?根孔
... hollow brick 空心砖 hollow butt 根孔 hollow cast roll 铸造空心轧辊 ...
Denby resident Phil Butt, 43, said the problem with noise was because the ramp was metal and hollow, but the council had fixed that by adding a foam padding.
BBC: NEWS | UK | England | Derbyshire | Petition wants skate park moved
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。