地基[dì jī]
foundation; ground
例句：
她用镐和平锹挖地基。
She?dug?the?foundation?with?a?pick?and?shovel.?
《柯林斯高阶英汉双解学习词典》
2
工人们正在加固大桥的地基。
The?workers?are?strengthening?the?foundation?of?the?bridge.?
《外研社英语同义词辨析词典》
3
今天正在给房子打地基。
The?foundations?of?the?house?are?being?laid?today.?
《牛津高阶英汉双解词典》
4
爆炸松动了这座楼房的地基。
The?explosion?had?weakened?the?building's?foundations.?
《牛津高阶英汉双解词典》
5
碎砖石可以用来铺路基和庭院地基。
Brick?rubble?is?useful?as?the?base?for?paths?and?patios.?
《柯林斯高阶英汉双解学习词典》
6
如果地基不牢，房子将会倒塌。