| 例句 |
tunnelnoun a passage that goes under the ground, through a hill, etc.The train goes through a tunnel in the mountain. The moles dug tunnels in the yard. crawlway, gallery, subwayantre, cave, cavern, delve(archaic), grot, grottoabyss, chasm, gulf, hollowexcavation, mine, pit, shaft, wellbunker, dugout, foxholeburrow, covert, den, hole, lair, lodge, shelter in 1508 |