Trephining
[医] 环钻, 环锯
🗣️ 情景例句
A little going-away present.
一个小小的临别礼物。
If his plan works, he'll earn 100 million in 10 years.
如果按照他的计划做，十年就能挣到一亿元了。
How many spiders are engaged in this work no our behalf?
有多少蜘蛛在为我们效力呢？