Invaginations
(invagination 的复数) 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
🗣️ 情景例句
Bye.
再见。
Whom will you play with?
你将和谁一起玩？
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。