n.隧道,地道;
v.挖隧道,挖地道;
例句:
The engineers had to tunnel through solid rock.
工程师须要在坚实的岩石中开凿隧道。
They will hole a tunnel through the mountain.
他们将穿山打隧道.
They drove a tunnel through the rock.
他们凿通一条穿过岩石的隧道.