Topologist
拓扑学
🗣️ 情景例句
If I tell you I will be there, I will be there.
如果我告诉你我会去，我肯定会到。
To trip and fall
绊倒
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。