an underground passage/tunnel/cable 地下通道/地道/地下电缆
He had been a member of an underground resistance movement. 他曾经是地下抵抗运动的一名成员。
miners who work all day underground 全天在地面下作业的矿工
Many species of beetle live underground. 很多种甲虫生活在地下。
The police became suspicious and he had to go underground. 警方开始怀疑了,他不得不躲藏起来。
noun
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net
切換為繁體中文