Hinterlands
n. 内陆地区( hinterland的复数形式 ); 内地; 腹地; （由某一港口或某些其他中心城市供应物资的）内陆贸易区
🗣️ 情景例句
OK.
还好。
What are friends for?
朋友是做什么用的？
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。