Documented
a. 备有证明文件的
🗣️ 情景例句
What are the flowers for, Richard?
究竟为什么送花 ，Richard？
When two ride on one horse, one must sit behind.
两人共骑一匹马，总有一个背后跨。
But I can't find it. I think I've lost it.
但我现在找不到了。我想我弄丢了。”