Polymetallism
多本位制
🗣️ 情景例句
I'll call him right now. No point in delaying.
我现在就打给他。没有道理要拖拉。
Experience keeps no school, she teaches her pupils singly.
亲身经验，才是经验。
I met Zheng Jie after one of his concerts about a week ago.
大约一周前，我在郑杰的一场音乐会之后见过他。