Invaginate
v. 收进鞘中
✅ 同义词
🗣️ 情景例句
Let's finish eating,
我们赶紧吃完。
What are you so excited about?
什么事让你如此兴奋？
I went further back into the cave and stopped still.
我向前走拐进岩洞，停住不动。