Subject + 总长 + Number + Measure Word
总长 (zǒngcháng) means total length, combining 总 (total) and 长 (length). It is commonly used when describing the overall measurement of structures like bridges, roads, or tunnels.
这条高铁线路总长超过一千公里。
zhè tiáo gāotiě xiànlù zǒngcháng chāoguò yī qiān gōnglǐ.
The total length of this high-speed rail line exceeds one thousand kilometers.
这座大桥的总长大约是三十六公里。
zhè zuò dàqiáo de zǒngcháng dàyuē shì sānshíliù gōnglǐ.
The total length of this bridge is approximately thirty-six kilometers.
新修的地铁线路总长达到了五十公里。
xīn xiū de dìtiě xiànlù zǒngcháng dádào le wǔshí gōnglǐ.
The total length of the newly built subway line has reached fifty kilometers.