英语释义
1. a covered passageway specifically a horizontal passageway through or under an obstruction
2. a subterranean gallery (as in a mine)
3. burrow
4. a hollow conduit or recess tube, well
5. to make or use a tunnel
6. to pass through a potential barrier
electrons tunneling through an insulator between semiconductors
7. to make a tunnel or similar opening through or under also to make (one's way) by or as if by making a tunnel
8. a passage that goes under the ground, through a hill, etc.
9. to make a tunnel
10. a passage under the ground
11. to make a passage under the ground
12. a bodily channel — see carpal tunnel