Tunnelling
隧道效应, 开挖隧道
🗣️ 情景例句
Tomorrow morning at ten o'clock. Try it.
明早上午十点。来试一试吧。
There's many a good tune played on an old fiddle.
老当益壮。
I don't think so. Ah! It was Li Lei.
我想不是。啊，是李雷！