Undergrounder
n. 在地面下工作的人, 秘密组织成员, 地下铁道乘客
🗣️ 情景例句
Never gamble if you can't afford to lose.
如果你输不起的话，永远不要赌博。
The doctor advised me to take a walk outdoors.
医生劝我要多到户外散步。
As we had had a long walk through one of the markets of old Delhi, we stopped at a square to have a rest.
当我们穿过旧德里的市场时走了很长一段路，我们在一个广场上停下来休息。