Trephining
[医] 环钻, 环锯
🗣️ 情景例句
A surprise?
惊喜？
How come?
怎么会这样？
He believed that everyone should be prepared to do heavy work, from the leaders to the poorest peasants.
他认为从领袖到最穷苦的农民，每个人都该乐于从事重体力劳动。