Cationite
阳离子交换剂
🗣️ 情景例句
Eight o'clock.
八点钟。
Gain got by a lie will burn one's fingers.
靠欺骗得来的利益会使自己受害。
You must look after it. Give it to Mr. Hu.
你一定要好好保管啊！让胡老师帮你拿着。