Pentacid
a. [化]五价的
🗣️ 情景例句
so they can find her owners quickly.
好让他们很快找到她的主人。
Let's look at the agenda and talk the first item.
让我们看一下议程讨论第一项。
He hitchhiked to Dover and, towards evening, went into a boat to find somewhere to sleep.
他搭便车到了多佛，天快黑时钻进了一条船，想找个地方睡觉。