Tailbone
尾骨
✅ 同义词
🗣️ 情景例句
Merry Christmas, Carl and David!
卡尔，大卫，圣诞快乐！
He went to the post office to mail a letter.
他去了邮局寄信。
It was getting very windy in the hills.
山上还刮起了大风。