Definition
长途 (cháng tú) describes physical distance over a long route — used before nouns like 电话 (call), 旅行 (trip), 汽车 (bus). 远程 (yuǎn chéng) refers to remote operation (e.g. 教育, 工作), not physical travel; 长远 (cháng yuǎn) means 'long-term' in time, not distance.
adjective
long-distance (attributive, used before nouns like 电话, 旅行, 汽车)
Examples
- 。Tā měi zhōu dōu yào zuò cháng tú qìchē huíjiā.He takes a long-distance bus home every week.
- 长途，。Lǚxíng suīrán xīnkǔ, dànshì hěn yǒuqù.The long-distance trip is tiring, but it's very interesting.
- 。Wǒmen xūyào dǎ yí gè cháng tú diànhuà gěi gōngsī.We need to make a long-distance call to the company.
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