Polyanion
聚阴离子
🗣️ 情景例句
You must be Robbie.
你就是Robbie吧。
If you insist on your original price, I'm afraid you will have little chance to get the business.
如果您坚持原来的价格，恐怕您获得这笔交易的可能性极小。
Can you come here a minute please, Bob?
请你来一下好吗？鲍勃？