by underground

基本解释

Jane: Yes, I go to work by underground every day.
是的，我每天上班都要乘地铁。
The Sea of Galilee is a unique body of water: the bottom part is salt water fed by underground springs, while the top layer is fresh water.
加利利海是一片独一无二的水域：底部是地下泉水形成的咸水，顶层则是淡水。
The petrol pumped into Gaza by underground pipes and hoses from Egypt costs a third of what it does in Ramallah, the Palestinians’ West Bank capital, where Israel supplies it.
从埃及通过地下管道和软管输送到加沙的汽油，其花费只有从约旦河西岸巴勒斯坦首府拉马拉输入的三分之一，拉马拉的汽油由以色列提供。

The group's "Inspired by Muhammad" posters are now on view all around London, including in stations of the Underground and at bus stops.
For weeks, South Korean officials delayed expected announcements it would join, but experts say they had no other choice after Monday's underground nuclear weapons test by the North.
But we're not going to wait forever,". Kelly said preparations have been made for a visit Sunday by IAEA inspectors to the partially-underground enrichment facility near the city of Qom that Iran recently acknowledged it has been secretly building.

Gates, arranged in long, boxy concourses set way out in the field, are linked to central terminals by underground trains.
NEWYORKER: Situation Terminal