Cationic
[医] 阳离子的, 阴向离子的
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
It's time for class.
上课时间到了。
The are no batteries in the radio.
收音机里没电池。