Retro
n. 制动火箭, 减速火箭；（服装式样等）重新流行
🗣️ 情景例句
I see.
这一下我明白了。
The restaurant was full, so we decided to go to another place.
那餐厅客满了，我们决定到另一个地方去。
Oh, it's too hard. I can't count them.
噢，太难数了。我数不了。