Monometallism
n. 单(金属)本位制\\n[经] 单本位制
🗣️ 情景例句
It's a surprise.
会给你一个惊喜。
Thought is the seed of action.
思想是行动的种子。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。