Polycations
(polycation 的复数) 聚阳离子
🗣️ 情景例句
Could you knead the dough for me?
你能帮我揉面吗？
No gains without pains.
不劳无获。
and could vary his programme with acrobatic tricks and simple conjuring.
并能穿插演一些杂技和小魔术使自己的节目多样化。