Cationite
阳离子交换剂
🗣️ 情景例句
He emphasized that Marxism was scientific truth.
他指出马克思主义是科学的真理。
You'll come into this house over my dead body.
除非我死了，否则你休想进这所房子。
It took him a little time to fix that watch.
他很快就把表修理好了。