Undersole
大底, 鞋底
🗣️ 情景例句
You must be very tired after the journey.
旅行之后，您一定累了吧！
I need small change.
我需要零钱。
She did not even look up when I took my seat beside her.
当我在她身旁坐下来的时候，她甚至连头都没有抬一下。