Cationic
[医] 阳离子的, 阴向离子的
🗣️ 情景例句
Since English is not your native tongue.
因为英语不是你的母语。
Science is organized knowledge.
科学是系统化的知识。
The sandwiches were on the plates, and the candles were on the cake. Ann felt very happy.
三明治在碟子里，蜡烛插在蛋糕上。安觉得很愉快。