Polycation
聚阳离子
🗣️ 情景例句
In my opinion, winter in Beijing is not very cold.
我觉得北京的冬天不是特别冷。
Yes. And another thing, would you mind not making long distance calls?
是的。还有一件事，请你别打长途电话了，好吗？
that twenty or thirty pages of ideas and information would be capable of turning the present-day world upside down, or even destroying it.
二三十页材料中的思想和情报会使当今的世界天翻地覆，甚至毁灭这个世界。