Spund
履带链板, 履带瓦
🗣️ 情景例句
You have to expect the unexpected in Shanghai.
在上海，你总会有意想不到的收获。
My sister is the oldest.
我的姐姐是最大。
It was very dark, so they turned on a torch.
饭厅很暗，于是他们打开了手电筒。