Boort
圆粒金刚石
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
Pardon me. Are you Ralph Meyers from National Fixtures?
对不起，请问你是从国家装置公司来的雷夫·梅耶史先生吗？
Two main techniques have been used for training elephants,
驯象有两种主要的方法，