Holing
[采矿]掏槽落煤法, [建]石板瓦钻孔
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
To enjoy the rest of life
享受余生之乐
Yes. B-double O-K, book.
好的。B-双写O-K，book（书）。