Cationic
[医] 阳离子的, 阴向离子的
🗣️ 情景例句
It's good to see you so happy.
能看见你如此高兴 ，太好了。
Are you sure?
你确信吗？
The Native Americans caught and trained them and were then able to use them to carry their goods when they travelled from one camping ground to another.
美洲土著人捕捉野马，加以驯服。