Definition
隧道 (suì dào) is the standard word for a tunnel, especially a man-made underground passage for roads, trains, or subways. 地道 (dì dào) also means 'tunnel' but is less common and often refers to a hidden or military passage; 坑 (kēng) is a pit or hole in the ground, not a passage.
noun
tunnel
Examples
- 隧道。Zhè tiáo suì dào zài shānqū lǐ.This tunnel is in the mountainous area.
- 隧道。Dìtiě suì dào wā le hǎo jǐ nián.The subway tunnel was dug for several years.
- 隧道。Jìn suì dào qián qǐng dǎkāi chē dēng.Please turn on your car lights before entering the tunnel.
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