Pentaatomic
五原子的
🗣️ 情景例句
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
Step after step the ladder is ascended.
按部就班，循序渐进。
It is one of the world's most important languages because it is so widely used.
英语使用得如此广泛，它已成为全球最重要的语言之一。