Pentelide
第五族元素化物
🗣️ 情景例句
You should perform what you promised to do.
你应该履行诺言。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
From there, he hitchhiked to Paris in a lorry.
从那里他又搭上卡车到了巴黎。