Polycation
聚阳离子
🗣️ 情景例句
The musicians. The dancers--in the parks and on the streets.
音乐家啦 ，在公园或街头跳舞的人啦。
Would you please read the draft contract and make your moments about the terms?
请仔细阅读合同草案，并就合同各条款提出你的看法好吗？
It's all about space and satellites.
全是有关宇宙和卫星的。