Tailbone
尾骨
✅ 同义词
🗣️ 情景例句
Hey, why don't we go out
嘿，我们何不出去
I'm going to show him how to sing a song.
我正要指点他如何唱歌。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。