Monometallic
a. 使用单金属的, 单(金属)本位制的\\n[医] 含一种金属[原子]的
🗣️ 情景例句
The welcome sign over the door.
门上的欢迎标语。
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
He has tasted the sweets and bitters of life.
他已尝遍了人生的甜酸苦辣。