Backpiece
护背
🗣️ 情景例句
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
I've never read a more thrilling story.
我没有读过比这更令人战粟的故事。
I've lost my ruler. Have you seen it anywhere?
我的尺子丢了。你在哪看见了吗？