Tìm kiếm
Underground
01
đường hầm
a city's railway system that is below the ground, usually in big cities
02
khoảng ở dưới mặt đất
a secret group organized to overthrow a government or occupation force
underground
01
bí mật
situated, operating, or existing beneath the surface of the ground
02
bí mật
conducted with or marked by hidden aims or methods
underground
01
bí mật
under the surface of the earth
02
bí mật
in or into hiding or secret operation
