Sacrocoxalgia
骶尾骨痛
🗣️ 情景例句
How much is a room per night?
一个房间每晚多少钱？
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
It was very old and precious even then.
却使在当时，它也属历史悠久的珍奇之物。