Tunnelling
隧道效应, 开挖隧道
🗣️ 情景例句
Do you want a flat-panel display?
你想要一个液晶显示器吗？
Hurry up!
快一点啦！
Mr Brain has just heard Zheng Jie playing the piano in a concert.
布雷恩先生刚听了郑杰在音乐会上的钢琴演奏。