the tubeTRAINS 列车 British EnglishBrETTT the system of trains that run under the ground in London 〔伦敦的〕地下铁道,地铁 SYN American English subwaytake/catch the tube Take the tube to Acton. 乘地铁到阿克顿。
by tube It’s best to travel by tube. 最好是乘地铁。
the tube• Let's see what's on the tube tonight.
→ the tube at tube1(1)