Invagination
n. 入鞘, 凹入, 反折, 反折处, 凹入部分, 肠套叠\\n[医] 折入, 凹入, 内陷, 套迭
🏥 医学释义
凹入，折入，套叠
🗣️ 情景例句
No, let's wait till Robbie gets back from the airport.
不要。我们等Robbie从机场回来吧。
He who has health, has hope, and he who has hope, everything.
身体好就有希望，有希望就有一切。
Collecting, by occupying spare time so constructively, makes a person contented, with no time for boredom.
收藏活动通过富有建设性地利用业余时间使人感到心满意足，不再有无聊之日。