Tailfin
n. 尾翼；垂直翼
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
I don't believe he will get to the station on time.
我不相信他会准时到车站。
It has belonged to our family for a long time.
我们家有这件乐器已经很久了，