main line
noun /ˌmeɪn ˈlaɪn/
/ˌmeɪn ˈlaɪn/
- an important railway line between two citiesTopics Transport by bus and trainb2
单词 | main line |
释义 | main linenoun /ˌmeɪn ˈlaɪn/ /ˌmeɪn ˈlaɪn/
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