Trepanning
开[套]孔, 打眼, 穿孔(试验)
🗣️ 情景例句
You did the best you could.
你已经尽力而为了。
A great ship asks deep waters.
大船要走深水，蛟龙要在海中游。
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。