buried culvert

例句：

1. 1. The old road was overgrown with weeds and had to be dug out by hand to reveal the buried culvert.
   那条旧路长满了野草，必须用手挖掘才能露出埋藏的涵洞。
2. 2. The workers carefully excavated the buried culvert to access the underground water supply.
   工人们小心翼翼地挖掘埋藏的涵洞以获取地下供水系统。
3. 3. The construction of the new bridge required the removal of the buried culvert to make way for the new road.
   建造新桥需要移除埋藏的涵洞，以便为新道路让路。