Trephinement
[医] 环钻
🗣️ 情景例句
Men and women, young and old, to give us their time.
不管男女老幼 ，请他们贡献时间。
Do you often learn geography on the weekend?
你常常在周末学地理吗？
is to make your interests gradually wider and more impersonal,
就是逐渐使自己的兴趣更加广泛，逐渐摆脱个人狭小的圈子，