隧道 suìdào tunnel
How to remember 隧道: 隧 tunnel + 道 way = tunnel.
Characters
How it is used
- A tunnel bored through mountain or under water/ground - 火车穿过隧道 (huǒchē chuānguò suìdào) the train passes through the tunnel.
- Concrete engineering noun; also 时光隧道 (a time tunnel), 隧道效应 (quantum tunneling).
- Read suì (not suí). Distinct from 通道 (tōngdào, a passage/corridor) - 隧道 is specifically a bored-through tube.
Example sentences
- 日本最长的隧道在哪里？ Rìběn zuìzhǎng de suìdào zài nǎlǐ?Where is the longest tunnel in Japan?